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  1. <Medical Topics
    Pediatrics
    Symptoms in Infants and Children
    • Colic
      • Evaluation
        • History
        • Physical examination
        • Red flags
        • Interpretation of findings
        • Testing
      • Treatment
      • Key Points
    • Constipation in Children
      • General reference
      • Etiology
        • Organic
        • Functional
      • Evaluation
        • History
        • Physical examination
        • Red flags
        • Interpretation of findings
        • Testing
      • Treatment
      • Key Points
    • Cough in Children
      • Etiology
      • Evaluation
        • History
        • Physical examination
      • Red flags
      • Interpretation of findings
      • Testing
      • Treatment
      • Key Points
    • Crying in Children
      • Etiology
        • Organic
      • Evaluation
        • History
        • Physical examination
        • Red flags
        • Interpretation of findings
        • Testing
      • Treatment
      • Key Points
    • Diarrhea in Children
      • General reference
      • Pathophysiology
      • Etiology
      • Evaluation
        • History
        • Physical examination
        • Red flags
        • Interpretation of findings
        • Testing
      • Treatment
        • Rehydration
      • Diet and nutrition
      • Key Points
    • Fever in Infants and Children
      • Pathophysiology
      • Etiology
        • Acute fever
        • Acute recurrent or periodic fever
        • Chronic fever
      • Evaluation
        • History
        • Physical examination
        • Red flags
        • Interpretation of findings
        • Testing
      • Testing for Acute Fever
        • Febrile children
        • Febrile children between 1 month and 3 months of age
        • Febrile children between 3 months and 36 months of age
        • Febrile children > 36 months of age
        • Acute recurrent or periodic fever
        • Testing for acute fever reference
      • Testing for Chronic Fever
      • Treatment
        • Things to avoid
        • Treatment reference
      • Key Points
    • Nausea and Vomiting in Infants and Children
      • Pathophysiology
      • Etiology
        • Neonates and infants
      • Older children
      • Evaluation
        • History
        • Physical examination
        • Red flags
        • Interpretation of findings
        • Testing
      • Treatment
      • Key Points
    • Separation Anxiety and Stranger Anxiety
      • Separation Anxiety
      • Stranger Anxiety
    • Rash in Infants and Young Children
      • Etiology
      • Evaluation
        • History
        • Physical examination
        • Red flags
        • Interpretation of findings
        • Testing
      • Treatment
      • Key Points
    Health Supervision of the Well Child
    • Health Supervision of the Well Child
      • General reference
      • Physical Examination
        • Growth
        • Blood pressure
        • Ears, eyes, and mouth
        • Heart
        • Abdomen
        • Spine and extremities
        • Genitals
        • Genitals references
      • Prevention
        • Safety
        • Nutrition
        • Exercise
        • More Information
    • Screening Tests for Infants, Children, and Adolescents
      • Screening Blood Tests
      • Hearing Tests
      • Tuberculosis Tests
      • Screening for Sexually Transmitted Infections (STIs)
      • Screening for Hepatitis C Infection
      • More Information
    • Toilet Training
    Childhood Vaccination
    • Vaccine Hesitancy
      • General references
      • COVID-19 Vaccines
        • COVID-19 vaccines references
      • Measles-Mumps-Rubella (MMR) Vaccine
        • MMR vaccine references
      • Thimerosal
        • Thimerosal references
      • Multiple Simultaneous Vaccinations
        • Multiple simultaneous vaccinations references
    • Childhood Vaccination
      • General reference
      • Childhood Vaccination Schedules
      • Vaccine Efficacy and Safety
        • Reference
      • More Information
    Behavioral Problems in Children
    • Overview of Behavioral Problems in Children
      • Evaluation
        • Problem identification
        • Problem interpretation
        • Evaluation reference
      • Treatment
        • Treatment reference
    • Breath-Holding Spells
      • References
      • Cyanotic Breath-Holding Spell
        • Cyanotic spell reference
      • Pallid Breath-Holding Spell
    • Eating Behavior in Children
      • References
    • School Avoidance
      • Reference
      • Treatment
    • Sleep Problems in Children
      • Normal Sleep
        • Normal sleep references
      • Nightmares
      • Night Terrors and Sleepwalking
        • Night terrors and sleepwalking references
      • Resistance to Going to Bed
      • Awakening During the Night
        • Awakening during the night reference
    • Temper Tantrums
      • References
    • Violent Behavior in Children and Adolescents
      • General references
      • Bullying
        • Bullying references
      • Gang Involvement
        • Gang involvement references
      • Prevention
    Bone Disorders in Children
    • Introduction to Metabolic Bone Disorders in Children
    • Osteoporosis in Children
      • Symptoms and Signs
      • Diagnosis
      • Treatment
        • Treatment reference
    • Introduction to Bone Modeling Disorders in Children
      • Osteochondroses (Growth Plate Disorders)
        • References
    • Hypophosphatasia
      • General references
      • Symptoms and Signs
      • Diagnosis
        • Diagnosis references
      • Treatment
        • Treatment reference
      • Prognosis
    • Idiopathic Scoliosis
      • General references
      • Symptoms and Signs
      • Diagnosis
      • Treatment
      • Prognosis
    • Overview of Bone Density Disorders in Children
      • Low Bone Density Disorders in Children
      • High Bone Density Disorders in Children
    • Slipped Capital Femoral Epiphysis (SCFE)
      • Symptoms and Signs
        • Symptoms and signs reference
      • Diagnosis
      • Treatment
    • Köhler Bone Disease
      • Treatment
        • Treatment reference
    • Legg-Calvé-Perthes Disease
      • General reference
      • Diagnosis
      • Treatment
        • Treatment reference
      • Prognosis
        • Prognosis reference
    • Osgood-Schlatter Disease
      • General reference
      • Diagnosis
      • Treatment
    • Scheuermann Disease
      • General reference
      • Diagnosis
      • Treatment
    • Craniotubular Dysplasias
      • Craniometaphyseal Dysplasia
        • Craniometaphyseal dysplasia references
      • Frontometaphyseal Dysplasia
        • Frontometaphyseal dysplasia references
      • Metaphyseal Dysplasia (Pyle Disease)
        • Metaphyseal dysplasia reference
    • Craniotubular Hyperostoses
      • Diaphyseal Dysplasia (Camurati-Engelmann Disease)
      • Diaphyseal dysplasia references
      • Endosteal Hyperostosis (van Buchem Syndrome)
      • Endosteal hyperostosis reference
      • Sclerosteosis
        • Sclerosteosis references
    • Osteosclerosis
      • Osteopetrosis with Delayed Manifestations (Albers-Schönberg Disease)
        • Osteopetrosis with delayed manifestations references
      • Osteopetrosis with Precocious Manifestations
      • Osteopetrosis with Renal Tubular Acidosis (Guibaud-Vainsel Syndrome; Marble Brain Disease)
        • Osteopetrosis with renal tubular acidosis reference
      • Pyknodysostosis (Pycnodysostosis)
    Care of Newborns and Infants
    • Initial Evaluation of the Normal Newborn
      • References
    • Nutrition in Infants
      • Feeding Problems
    • Sleeping Behaviors in Infants and Children
      • Evaluation
        • History
        • Physical examination and testing
      • Treatment
    • Breastfeeding
      • Reference
      • Breastfeeding Technique
      • Infant Breastfeeding Complications
      • Maternal Breastfeeding Complications
      • Medications and Breastfeeding
      • Weaning
      • More Information
    • Formula Feeding
    • Solid Foods in Infancy
      • References
    • Teething
    • Physical Examination of the Newborn
      • Cardiorespiratory System
      • Head and Neck
      • Abdomen and Pelvis
      • Musculoskeletal System
      • Neurologic System
      • Skin
    • Screening Tests for Newborns
      • Reference
      • More Information
    • Care of the Normal Newborn
      • Routine Care and Observation of the Newborn
        • Umbilical cord
        • Circumcision
        • Weight
        • Urine and bowel movements
        • Meconium
      • Hospital Discharge of the Newborn
    Caring for Sick Children and Their Families
    • Caring for Sick Neonates
      • References
    • Children and Youth with Special Health Care Needs
      • Effects on the children
      • Effects on the family
      • Care coordination
      • References
    • Death and Dying in Children
      • After the Death of a Child
      • Death of a Child's Family Member or Friend
      • References
      • More Information
    Child Maltreatment
    • Overview of Child Maltreatment
      • General references
      • Classification
        • Neglect
        • Physical abuse
        • Sexual abuse
        • Emotional abuse
        • Special considerations
        • Classification references
      • Risk Factors
        • Abuse
        • Neglect
        • Etiology references
      • Symptoms and Signs
        • Physical abuse
        • Sexual abuse
        • Emotional abuse
        • Neglect
      • Symptoms and signs references
      • Diagnosis
        • Physical abuse
        • Sexual abuse
        • Emotional abuse and neglect
        • Diagnosis references
      • Management
        • Immediate safety
        • Follow-up
        • Removal from the home
        • Treatment references
      • Prevention
        • Prevention references
      • More Information
    • Female Genital Mutilation
      • References
    Chromosome and Gene Abnormalities
    • Progeria
      • Other progeroid syndromes
      • References
      • More Information
    • Overview of Chromosomal Abnormalities
      • Terminology
      • General reference
      • Diagnosis
        • Screening
        • Screening reference
    • Down Syndrome (Trisomy 21)
      • General references
      • Etiology
        • Etiology references
      • Pathophysiology
        • Pathophysiology references
      • Symptoms and Signs
        • General appearance
        • Growth and development
        • Cardiac manifestations
        • Gastrointestinal manifestations
        • Symptoms and signs reference
      • Diagnosis
        • Concomitant medical conditions
        • Diagnosis references
      • Treatment
      • Prognosis
        • Prognosis references
      • Key Points
    • Trisomy 18
      • General references
      • Symptoms and Signs
        • Symptoms and signs reference
      • Diagnosis
        • Diagnosis reference
      • Treatment
        • Screening for complications of trisomy 18
        • Treatment reference
      • Prognosis
        • Prognosis references
    • Trisomy 13
      • General references
      • Symptoms and Signs
        • Symptoms and signs reference
      • Diagnosis
        • Diagnosis reference
      • Treatment
      • Prognosis
        • Prognosis reference
    • Chromosomal Deletion Syndromes
      • References
      • 5p- Syndrome (5p Minus Syndrome or Cri-du-Chat Syndrome)
      • 4p- Syndrome (4p Minus Syndrome or Wolf-Hirschhorn Syndrome)
      • Subtelomeric Deletions
    • Overview of Sex Chromosome Abnormalities
      • General reference
      • Lyon Hypothesis (X-Inactivation)
        • Lyon hypothesis reference
    • Turner Syndrome
      • General references
      • Pathophysiology
        • Pathophysiology reference
      • Symptoms and Signs
        • Symptoms and signs references
      • Diagnosis
        • Concomitant medical conditions
        • Diagnosis references
      • Treatment
        • Treatment references
      • Key Points
    • Klinefelter Syndrome (47,XXY)
      • General references
      • Symptoms and Signs
        • Symptoms and signs references
      • Diagnosis
        • Diagnosis reference
      • Treatment
        • Treatment reference
    • 47,XYY Syndrome
    • Other X Chromosome Abnormalities
      • Reference
    • Microdeletion and Microduplication Syndromes
      • References
    • Fragile X Syndrome
      • General references
      • Symptoms and Signs
      • Diagnosis
        • Diagnosis reference
      • Treatment
        • Treatment reference
    Common Viral Infections in Infants and Children
    • Measles
      • General references
      • Pathophysiology
        • Pathophysiology references
      • Symptoms and Signs
        • Complications of measles
        • Symptoms and signs references
      • Diagnosis
        • Diagnosis references
      • Treatment
        • Treatment references
      • Prognosis
        • Prognosis references
      • Prevention
        • Postexposure prophylaxis
        • Prevention references
      • Key Points
    • Mumps
      • Symptoms and Signs
        • Complications of mumps
      • Diagnosis
      • Treatment
      • Prognosis
      • Prevention
        • Prevention references
      • Key Points
      • More Information
    • Rubella
      • Symptoms and Signs
      • Diagnosis
      • Treatment
      • Prevention
        • Prevention references
      • Key Points
    • Subacute Sclerosing Panencephalitis (SSPE)
      • General reference
      • Symptoms and Signs
      • Diagnosis
      • Treatment
      • Prognosis
    • Erythema Infectiosum (Parvovirus B19 Infection)
      • Pathophysiology
        • Parvovirus B19 infection in pregnancy
        • Pathophysiology reference
      • Symptoms and Signs
        • Other manifestations of parvovirus B19 infection
      • Diagnosis
      • Treatment
      • Key Points
    • Progressive Rubella Panencephalitis
      • Diagnosis
      • Treatment
    • Roseola Infantum
      • Symptoms and Signs
      • Diagnosis
      • Treatment
    Congenital Cardiovascular Anomalies
    • Overview of Congenital Cardiovascular Anomalies
      • General references
      • Etiology
        • Etiology references
      • Normal Fetal Circulation
        • Perinatal changes
        • Normal fetal circulation reference
      • Pathophysiology
        • Cyanotic heart anomalies
        • Left-to-right shunts
        • Obstructive lesions
        • Heart failure
        • Duct-dependent congenital heart disease
        • Pathophysiology references
      • Symptoms and Signs
        • Murmurs
        • Cyanosis
        • Heart failure
        • Other manifestations of heart defects
      • Diagnosis
      • Newborn Screening
        • Newborn screening reference
      • Treatment
        • Heart failure in neonates
        • Heart failure in older infants and children
        • Endocarditis prophylaxis
        • Treatment references
      • More Information
    • Atrial Septal Defect (ASD)
      • Classification
      • General reference
      • Pathophysiology
        • Pathophysiology reference
      • Symptoms and Signs
      • Diagnosis
      • Treatment
        • Treatment reference
      • Key Points
      • More Information
    • Ventricular Septal Defect (VSD)
      • Classification
      • Pathophysiology
      • Symptoms and Signs
      • Diagnosis
      • Treatment
      • Key Points
      • More Information
    • Atrioventricular Septal Defect
      • Complete AV septal defect
      • Transitional AV septal defect
      • Partial AV septal defect
      • Unbalanced AV septal defect
      • Symptoms and Signs
      • Diagnosis
      • Treatment
        • Treatment reference
      • Key Points
      • More Information
    • Patent Ductus Arteriosus (PDA)
      • Pathophysiology
      • Symptoms and Signs
      • Diagnosis
      • Treatment
        • PDA treatment in preterm infants
        • PDA treatment in full-term infants
        • Treatment reference
      • Key Points
      • More Information
    • Coarctation of the Aorta
      • Pathophysiology
      • Symptoms and Signs
      • Diagnosis
      • Treatment
        • Medical management of coarctation
        • Coarctation repair
      • Key Points
      • More Information
    • Tetralogy of Fallot
      • Pathophysiology
        • Hypercyanotic spells
      • Symptoms and Signs
      • Diagnosis
      • Treatment
        • Hypercyanotic spells
        • Definitive management
        • Treatment references
      • Key Points
      • More Information
    • Transposition of the Great Arteries (TGA)
      • Pathophysiology
      • Symptoms and Signs
      • Diagnosis
      • Treatment
        • Treatment references
      • Key Points
      • More Information
    • Tricuspid Atresia
      • Symptoms and Signs
      • Diagnosis
      • Treatment
      • Key Points
      • More Information
    • Hypoplastic Left Heart Syndrome
      • Symptoms and Signs
      • Diagnosis
      • Treatment
        • Medical management
        • Surgical procedures
        • Treatment reference
      • Key Points
      • More Information
    • Total Anomalous Pulmonary Venous Return (TAPVR)
      • Symptoms and Signs
      • Diagnosis
      • Treatment
      • More Information
    • Persistent Truncus Arteriosus
      • Classification
      • Symptoms and Signs
      • Diagnosis
      • Treatment
      • Key Points
      • More Information
    • Eisenmenger Syndrome
      • General reference
      • Symptoms and Signs
      • Diagnosis
      • Treatment
        • Treatment references
      • Key Points
      • More Information
    • Other Congenital Cardiac Anomalies
      • Pulmonary atresia with intact ventricular septum
      • Pulmonic valve stenosis in children
      • Single ventricle spectrum
      • More Information
    • Bicuspid Aortic Valve
      • General references
      • Symptoms and Signs
      • Diagnosis
      • Treatment
      • More Information
    • Aortopulmonary Window
      • Pathophysiology
      • Symptoms and Signs
      • Diagnosis
      • Treatment
      • Key Points
      • More Information
    • Congenitally Corrected Transposition of the Great Arteries
      • General reference
      • Pathophysiology
        • Pathophysiology references
      • Symptoms and Signs
      • Diagnosis
      • Treatment
      • Key Points
      • More Information
    • Double Outlet Right Ventricle
      • Pathophysiology
        • Pathophysiology reference
      • Symptoms and Signs
      • Diagnosis
      • Treatment
      • Key Points
      • More Information
    • Ebstein Anomaly
      • Pathophysiology
      • Symptoms and Signs
      • Diagnosis
      • Treatment
        • Treatment reference
      • More Information
    Congenital Craniofacial Anomalies
    • Overview of Congenital Craniofacial Anomalies
      • Reference
    • Cleft Lip and Cleft Palate
      • References
      • Diagnosis
      • Treatment
    • Congenital Ear Anomalies
      • Diagnosis
      • Treatment
    • Congenital Eye Anomalies
      • Hypertelorism
      • Hypotelorism
      • Coloboma
      • Microphthalmia
      • Anophthalmia
    • Congenital Jaw Anomalies
      • Micrognathia (Small Mandible)
      • Agnathia
      • Maxillary Hypoplasia
    • Craniosynostosis
      • Reference
      • Sagittal Craniosynostosis
        • Sagittal craniosynostosis references
      • Coronal Craniosynostosis
      • Coronal craniosynostosis references
    • Macrocephaly
      • General references
      • Diagnosis
      • Treatment
    • Microcephaly
      • Diagnosis
      • Treatment
        • Treatment reference
    Congenital Musculoskeletal Anomalies
    • Overview of Congenital Musculoskeletal Anomalies
    • Arthrogryposis Multiplex Congenita
      • General references
      • Etiology
        • Etiology reference
      • Symptoms and Signs
        • Symptoms and signs references
      • Diagnosis
        • Diagnosis references
      • Treatment
        • Treatment reference
    • Congenital Knee Dislocation
    • Congenital Limb Anomalies
      • Limb Amputations and Deficiencies
        • Reference
      • Polydactyly
      • Syndactyly
      • Diagnosis
      • Treatment
    • Congenital Muscular Anomalies
    • Congenital Neck and Back Anomalies
      • Congenital Torticollis
      • Congenital Vertebral Defects
    • Developmental Dysplasia of the Hip (DDH)
      • Screening
      • Treatment
    • Femoral Torsion (Twisting)
      • Internal Femoral Torsion
      • External Femoral Torsion
    • Genu Varum (Bowlegs) and Genu Valgum (Knock-Knees)
      • Genu Varum
        • Blount disease
      • Genu Valgum
    • Talipes Equinovarus (Clubfoot) and Other Congenital Foot Anomalies
      • Talipes equinovarus
      • Reference
      • Talipes calcaneovalgus
      • Metatarsus adductus
      • Metatarsus varus
      • Pes planus (flat feet)
    • Tibial Torsion
    Congenital Gastrointestinal Anomalies
    • Overview of Congenital Gastrointestinal Anomalies
      • Esophageal, Gastric, and Duodenal Obstruction
      • Jejunoileal and Large-Bowel Obstruction
      • Defects in Abdominal Wall Closure
      • Diaphragmatic Hernia
      • Meckel Diverticulum
      • References
    • Anal Atresia
      • General references
      • Diagnosis
        • Diagnosis reference
      • Treatment
        • Treatment references
    • Esophageal Atresia
      • General references
      • Diagnosis
        • Diagnosis reference
      • Treatment
        • Surgical repair
        • Treatment references
      • Key Points
    • Gastroschisis
      • References
      • Treatment
        • Treatment references
    • Hirschsprung Disease
      • General references
      • Pathogenesis
        • Pathogenesis reference
      • Symptoms and Signs
        • Symptoms and signs reference
      • Diagnosis
        • Diagnosis reference
      • Treatment
        • Treatment reference
      • Key Points
      • Hirschsprung-Associated Enterocolitis (Toxic Megacolon)
        • References
    • Intestinal Duplication
      • General references
      • Treatment
        • Treatment references
    • Omphalocele
      • General references
      • Treatment
        • Treatment references
    • Biliary Atresia
      • General references
      • Symptoms and Signs
      • Diagnosis
        • Diagnosis references
      • Treatment
        • Treatment references
      • Prognosis
        • Prognosis references
      • Key Points
    • Diaphragmatic Hernia
      • General references
      • Symptoms and Signs
      • Diagnosis
        • Diagnosis references
      • Treatment
        • Treatment references
      • Key Points
    • Duodenal Obstruction
      • Duodenal atresia
      • Duodenal stenosis
      • Choledochal cyst
      • Annular pancreas
      • Malrotation
      • References
    • Jejunoileal Atresia
      • Etiology
        • Etiology references
      • Classification
        • Classification reference
      • Diagnosis
        • Diagnosis references
      • Treatment
        • Treatment references
      • Key Points
    • Malrotation of the Bowel
      • General references
      • Diagnosis
        • Diagnosis references
      • Treatment
        • Treatment references
      • Key Points
    Congenital Neurologic Anomalies
    • Overview of Congenital Neurologic Anomalies
      • Prevention
        • Prevention references
    • Spina Bifida
      • General reference
      • Etiology
      • Symptoms and Signs
        • Neurologic
        • Orthopedic
        • Urologic
      • Diagnosis
        • Screening
      • Treatment
        • Treatment reference
      • Prognosis
      • Prevention
      • Key Points
    • Anencephaly
      • Reference
    • Encephalocele
      • Reference
      • Symptoms and Signs
      • Diagnosis
      • Treatment
      • Prognosis
    • Malformed Cerebral Hemispheres
      • Holoprosencephaly
        • Holoprosencephaly references
      • Lissencephaly
      • Polymicrogyria
    • Porencephaly
      • Hydranencephaly
      • Schizencephaly
    • Septo-Optic Dysplasia
      • Symptoms and Signs
      • Diagnosis
      • Treatment
    • Congenital Hydrocephalus
      • Etiology
        • Obstructive hydrocephalus
        • Communicating hydrocephalus
        • Etiology references
      • Symptoms and Signs
      • Diagnosis
      • Treatment
        • Shunt complications
        • Treatment references
      • Key Points
    • Rett Syndrome
      • Etiology
      • Symptoms and Signs
      • Diagnosis
        • Diagnosis reference
      • Treatment
        • Treatment reference
      • Prognosis
    Congenital Renal and Genitourinary Anomalies
    • Overview of Congenital Genitourinary Anomalies
    • Renal Anomalies
      • Autosomal Recessive Polycystic Kidney Disease
        • ARPKD references
      • Duplication Anomalies
      • Fusion Anomalies
        • Horseshoe kidney
        • Crossed fused renal ectopia
        • Fused pelvic kidney (pancake kidney)
      • Kidney Malrotation
      • Multicystic Dysplastic Kidney
      • Renal Agenesis
        • Renal agenesis references
      • Renal Dysplasia
      • Renal Ectopia
      • Renal Hypoplasia
    • Ureteral Anomalies
      • Reference
      • Ectopic Ureteral Orifices
      • Retrocaval Ureter
      • Ureter Duplication Anomalies
      • Ureteral Stenosis
      • Ureterocele
    • Bladder Anomalies
      • Bladder Diverticulum
      • Bladder Exstrophy
      • Megacystis Syndrome
      • Neurogenic Bladder
        • Neurogenic bladder references
    • Cryptorchidism
      • Reference
      • Pathophysiology
        • Complications of cryptorchidism
      • Etiology
      • Symptoms and Signs
      • Diagnosis
      • Treatment
      • Key Points
    • Penile Anomalies
      • Chordee
      • Phimosis and Paraphimosis
      • Other Penile Anomalies
    • Prune-Belly Syndrome (Triad Syndrome)
      • Treatment
        • Treatment reference
    • Testicular and Scrotal Anomalies
      • Congenital Hydrocele
      • Neonatal Testicular Torsion
        • Neonatal testicular torsion reference
    • Vaginal Anomalies
      • Reference
      • Vaginal Agenesis
      • Vaginal Duplication and Fusion Anomalies
      • Imperforate Hymen
    • Vesicoureteral Reflux (VUR)
      • Etiology
      • Pathophysiology
        • Pathophysiology reference
      • Symptoms and Signs
      • Diagnosis
      • Treatment
        • Monitoring
      • Key Points
    • Urethral Anomalies
      • Epispadias
      • Hypospadias
      • Urethral Meatal Stenosis
      • Urethral Stricture
      • Urethral Duplications and Triplications
      • Urethral Valves
      • Urethral Prolapse
    Congenital Renal Transport Abnormalities
    • Bartter Syndrome and Gitelman Syndrome
      • General references
      • Pathophysiology
      • Etiology
        • Etiology reference
      • Symptoms and Signs
      • Diagnosis
      • Treatment
        • Treatment reference
      • Key Points
    • Cystinuria
      • Pathophysiology
      • Symptoms and Signs
      • Diagnosis
      • Treatment
        • Treatment references
      • Key Points
      • More Information
    • Hypophosphatemic Rickets
      • General reference
      • Pathophysiology
      • Symptoms and Signs
      • Diagnosis
      • Treatment
        • Treatment references
      • Key Points
    Connective Tissue Disorders in Children
    • Introduction to Connective Tissue Disorders in Children
    • Cutis Laxa
      • General reference
      • Pathophysiology
        • Pathophysiology references
      • Symptoms and Signs
      • Diagnosis
        • Diagnosis reference
      • Treatment
        • Treatment references
    • Ehlers-Danlos Syndromes
      • General references
      • Symptoms and Signs
        • Complications of Ehlers-Danlos syndromes
        • Symptoms and signs reference
      • Diagnosis
        • Diagnosis references
      • Treatment
        • Treatment reference
      • Prognosis
        • Prognosis references
      • Key Points
    • Marfan Syndrome
      • General references
      • Symptoms and Signs
        • Cardiovascular system
        • Musculoskeletal system
        • Ocular system
        • Pulmonary system
        • Central nervous system
        • Symptoms and signs reference
      • Diagnosis
        • Diagnosis references
      • Treatment
        • Medications
        • Surgeries
        • Physical activity
        • Pregnancy
        • Treatment references
      • Prognosis
        • Prognosis references
      • Key Points
    • Nail-Patella Syndrome
      • Symptoms and Signs
        • Symptoms and signs reference
      • Diagnosis
        • Diagnosis reference
      • Treatment
        • Treatment reference
    • Osteogenesis Imperfecta
      • General references
      • Symptoms and Signs
      • Diagnosis
        • Diagnosis reference
      • Treatment
        • Treatment references
    • Pseudoxanthoma Elasticum
      • General reference
      • Diagnosis
      • Treatment
        • Treatment references
    • Osteochondrodysplasias (Osteochondrodysplastic Dwarfism)
      • General references
      • Diagnosis
      • Treatment
        • Treatment references
      • Key Points
      • More Information
    • Chondromalacia Patellae
      • General reference
      • Treatment
        • Treatment references
    • Infrapatellar Tendinitis
      • Treatment
        • Treatment references
    Cystic Fibrosis (CF)
    • Cystic Fibrosis
      • General references
      • Etiology
        • Etiology references
      • Pathophysiology
        • Respiratory
        • Gastrointestinal
        • Other
        • Pathophysiology references
      • Symptoms and Signs
        • Respiratory
        • Gastrointestinal
        • Other
        • Symptoms and signs references
      • Diagnosis
        • Newborn screening
        • Sweat chloride testing
        • Intermediate sweat test results
        • CFTR-related metabolic syndrome and CF screen positive, inconclusive diagnosis
        • Pancreatic tests
        • Respiratory assessment
        • Carrier screening
      • Diagnosis references
      • Treatment
        • Treatment of respiratory manifestations
        • CFTR modulators
        • Treatment and prevention of infections
        • Treatment of gastrointestinal manifestations
        • Treatment of other manifestations
        • Treatment references
      • Prognosis
        • End-of-life care
        • Prognosis references
      • Key Points
      • More Information
    Dehydration and Fluid Therapy in Children
    • Dehydration in Children
      • Etiology
      • Pathophysiology
      • Symptoms and Signs
      • Diagnosis
      • Treatment
        • Resuscitation
        • Deficit replacement
        • Ongoing losses
        • Maintenance requirements
        • Treatment references
      • Practical Rehydration Example
      • Procedure
        • Fluid selection
        • Resuscitation
        • Deficits
        • Ongoing losses
        • Maintenance fluid
      • More Information
    • Oral Rehydration Therapy
      • General references
      • Solutions
        • Solutions reference
      • Administration
        • Administration reference
    Miscellaneous Ear, Nose, and Throat Disorders in Children
    • Communication Disorders in Children
      • Voice disorders
      • Hearing disorders
      • Speech disorders
      • Language disorders
      • General references
      • Diagnosis
        • Diagnosis reference
      • Key Points
    • Hearing Impairment in Children
      • General references
      • Etiology
        • Neonates
        • Infants and children
        • Etiology references
      • Symptoms and Signs
      • Diagnosis
        • Diagnosis references
      • Treatment
        • Treatment references
      • Key Points
    • Juvenile Angiofibromas
      • Symptoms and Signs
      • Diagnosis
      • Treatment
        • Treatment references
    • Recurrent Respiratory Papillomatosis
      • Symptoms and Signs
      • Diagnosis
      • Treatment
        • Treatment references
      • Prevention
        • Prevention references
    Endocrine Disorders in Children
    • Hypothyroidism in Infants and Children
      • Etiology
        • Congenital hypothyroidism
        • Acquired hypothyroidism
        • Etiology references
      • Symptoms and Signs
      • Diagnosis
        • Diagnosis references
      • Treatment
        • When to treat
        • Treatment regimens
        • Monitoring
        • Treatment references
      • Key Points
      • More Information
    • Overview of Congenital Adrenal Hyperplasia
    • Congenital Adrenal Hyperplasia Caused by 11Beta-Hydroxylase Deficiency
      • General references
      • Symptoms and Signs
      • Diagnosis
      • Treatment
      • Key Points
    • Delayed Puberty
      • General reference
      • Symptoms and Signs
        • Manifestations of possible causes of delayed puberty
      • Diagnosis
        • Criteria for delayed puberty
        • Hormonal testing
        • Imaging studies
        • Genetic testing
        • Diagnosis references
      • Treatment
      • Key Points
    • Hyperthyroidism in Infants and Children
      • Etiology
        • Etiology reference
      • Symptoms and Signs
      • Diagnosis
        • Diagnosis references
      • Treatment
        • Treatment references
      • Key Points
    • Male Hypogonadism in Children
      • Classification
        • Primary hypogonadism
        • Secondary hypogonadism
        • Classification references
      • Symptoms and Signs
      • Diagnosis
        • Diagnosis references
      • Treatment
      • Key Points
    • Precocious Puberty
      • General reference
      • Classification
      • Etiology
        • GnRH-dependent precocious puberty
        • GnRH-independent precocious puberty
        • Etiology reference
      • Symptoms and Signs
      • Diagnosis
        • Diagnosis references
      • Treatment
        • GnRH-dependent precocious puberty
        • GnRH-independent precocious puberty
        • Treatment references
      • Key Points
    • Congenital Adrenal Hyperplasia Caused by 21-Hydroxylase Deficiency
      • Classic 21-hydroxylase deficiency
      • Nonclassic 21-hydroxylase deficiency
      • General references
      • Symptoms and Signs
      • Diagnosis
        • Diagnosis reference
      • Treatment
        • Treatment reference
      • Key Points
    • Congenital Goiter
      • Etiology
        • Dyshormonogenesis
        • Transplacental passage of maternal antibodies
        • Transplacental passage of goitrogens
        • Etiology references
      • Symptoms and Signs
      • Diagnosis
      • Treatment
    • Growth Hormone Deficiency in Children
      • Etiology
      • Symptoms and Signs
      • Diagnosis
        • Provocative testing
        • Provocative testing references
      • Treatment
        • Treatment reference
      • Key Points
      • More Information
    Diabetes Mellitus in Children and Adolescents
    • Type 1 Diabetes Mellitus in Children and Adolescents
      • General references
      • Etiology
        • Etiology references
      • Pathophysiology
      • Symptoms and Signs
        • Symptoms and signs references
      • Diagnosis
      • Measurement of abnormal glucose
      • Determination of diabetes type
      • Testing for stage
      • Testing for autoimmune diseases
      • Screening for complications
      • Diagnosis references
      • Treatment
        • Insulin regimens
        • Diet
        • Glycemic control and HbA1C target levels
        • Treatment references
      • Modifying disease progression in type 1 diabetes
        • Modifying disease progression references
      • Key Points
      • More Information
    • Type 2 Diabetes Mellitus in Children and Adolescents
      • General references
      • Etiology
        • Etiology references
      • Pathophysiology
        • Pathophysiology references
      • Symptoms and Signs
      • Diagnosis
        • Screening for type 2 diabetes
        • Screening for comorbidities and complications
        • Diagnosis references
      • Treatment
        • Diet and exercise
        • Pharmacologic treatment
        • Glycemic control and HbA1C target levels
        • Treatment references
      • Key Points
    • Complications of Diabetes in Children and Adolescents
      • Acute Complications of Diabetes in Children and Adolescents
        • Hypoglycemia in children and adolescents
        • Ketones and sick-day management
        • Diabetic ketoacidosis (DKA)
        • Hyperosmolar hyperglycemic state (HHS)
        • Acute complications references
      • Long-Term Complications
        • Vascular complications
        • Mental health issues
        • Other complications
        • Long-term complications references
    • Monogenic Forms of Diabetes
      • Etiology
      • Pathophysiology
      • Symptoms and Signs
        • Symptoms and signs reference
      • Diagnosis
      • Treatment
    • Overview of Diabetes Mellitus in Children and Adolescents
      • Types of Diabetes
        • Types of diabetes references
      • Epidemiology
        • Epidemiology references
      • Symptoms and Signs
      • Diagnosis
        • Diagnostic criteria for diabetes
        • Initial evaluation
        • Evaluation for diabetes type
        • Diagnosis references
      • Treatment
        • Diabetes education
        • Nutrition and exercise
        • Pharmacotherapy
        • Methods for monitoring glycemic control
        • Monogenic diabetes management
        • Treatment references
      • Key Points
    Eye Defects and Conditions in Children
    • Retinopathy of Prematurity
      • General reference
      • Diagnosis
      • Treatment
        • Treatment references
      • Prognosis
      • Prevention
      • Key Points
    • Amblyopia
      • General reference
      • Etiology
      • Symptoms and Signs
      • Diagnosis
        • Diagnosis reference
      • Treatment
        • Treatment references
      • Prognosis
        • Prognosis reference
      • Key Points
    • Congenital Cataract
      • Diagnosis
      • Treatment
        • Treatment reference
    • Primary Infantile Glaucoma
      • Diagnosis
      • Treatment
    • Strabismus
      • General reference
      • Classification
      • Etiology
      • Symptoms and Signs
      • Diagnosis
      • Treatment
        • Treatment reference
      • Prognosis
      • Key Points
    Gastrointestinal Disorders in Neonates and Infants
    • Introduction to Gastrointestinal Disorders in Neonates and Infants
      • General reference
    • Meconium Ileus
      • General reference
      • Symptoms and Signs
        • Symptoms and signs reference
      • Diagnosis
        • Complications of meconium ileus
        • Diagnosis references
      • Treatment
    • Necrotizing Enterocolitis
      • Risk factors for necrotizing enterocolitis
      • General references
      • Etiology
      • Symptoms and Signs
        • Complications of necrotizing enterocolitis
        • Symptoms and signs references
      • Diagnosis
        • Diagnosis references
      • Treatment
        • Support
        • Surgery
        • Treatment references
      • Prevention
        • Prevention references
      • Key Points
    • Neonatal Cholestasis
      • General reference
      • Etiology
        • Extrahepatic causes of cholestasis
        • Intrahepatic causes of cholestasis
        • Etiology references
      • Pathophysiology
      • Symptoms and Signs
      • Diagnosis
        • Diagnosis reference
      • Treatment
        • Treatment references
      • Prognosis
      • Key Points
    • Meconium Plug Syndrome
      • General references
      • Etiology
        • Etiology references
      • Symptoms and Signs
      • Diagnosis
        • Diagnosis reference
      • Treatment
    • Gastroesophageal Reflux in Infants
      • General references
      • Etiology
      • Symptoms and Signs
        • Complications of GERD
      • Diagnosis
      • Treatment
        • Modifying feedings
        • Positioning
        • Acid-suppressive therapy
        • Surgery
        • Treatment references
      • Key Points
    • Hypertrophic Pyloric Stenosis
      • General reference
      • Etiology
        • Etiology references
      • Symptoms and Signs
      • Diagnosis
        • Diagnosis reference
      • Treatment
        • Treatment reference
      • Key Points
    • Intussusception
      • General reference
      • Etiology
        • Etiology references
      • Symptoms and Signs
        • Symptoms and signs reference
      • Diagnosis
      • Treatment
        • Treatment references
      • Key Points
    • Miscellaneous Surgical Emergencies in Neonates
      • Inguinal Hernia in Neonates
      • Gastric Perforation in Neonates
      • Ileal Perforation in Neonates
      • Mesenteric Arterial Occlusion in Neonates
        • References
    Growth and Development
    • Introduction to Growth and Development
      • Reference
    • Physical Growth of Infants and Children
      • Reference
      • Length and Height
        • Length reference
      • Weight
        • Weight reference
      • Head Circumference
        • Head circumference reference
      • Body Composition
        • Body composition references
      • Tooth Eruption
      • More Information
    • Childhood Development
      • Motor Development
      • Language and Speech Development
      • Cognitive Development
      • Emotional and Behavioral Development
    • Physical Growth and Sexual Maturation of Adolescents
      • Physical Growth
        • Physical growth reference
      • Sexual Maturation
        • Boys
        • Sexual maturation reference
        • Girls
        • Sexual maturation reference
    • Growth and Weight Faltering in Children
      • General reference
      • Etiology
        • Organic growth and weight faltering
        • Nonorganic growth and weight faltering
        • Mixed growth and weight faltering
        • Etiology reference
      • Diagnosis
        • Testing
      • Treatment
      • Prognosis
      • Key Points
      • More Information
    Hereditary Periodic Fever Syndromes
    • Introduction to Hereditary Periodic Fever Syndromes
    • Familial Mediterranean Fever
      • General references
      • Etiology
        • Etiology references
      • Symptoms and Signs
        • Complications of familial Mediterranean fever
        • Symptoms and signs references
      • Diagnosis
        • Diagnosis references
      • Treatment
        • Treatment references
      • Key Points
    • Hyper-IgD Syndrome
      • General references
      • Symptoms and Signs
      • Diagnosis
        • Diagnosis references
      • Treatment
        • Treatment references
    • TNF Receptor–Associated Periodic Syndrome (TRAPS)
      • General references
      • Symptoms and Signs
        • Symptoms and signs reference
      • Diagnosis
        • Diagnosis references
      • Treatment
        • Treatment references
    • Hereditary Cryopyrin-Associated Periodic Syndromes (Cryopyrinopathies)
      • General references
      • Diagnosis
        • Diagnosis references
      • Treatment
      • Treatment references
    • PAPA Syndrome
      • General references
    • PFAPA Syndrome
      • General references
      • Symptoms and Signs
      • Diagnosis
        • Diagnosis reference
      • Treatment
        • Treatment references
    How To Do Pediatric Urologic Procedures
    • How To Do Suprapubic Aspiration of the Bladder in a Child
      • Indications
        • Indications reference
      • Contraindications
      • Complications
      • Equipment
      • Additional Considerations
      • Relevant Anatomy
      • Positioning
      • Step-by-Step Description of Procedure
      • Aftercare
      • Warnings and Common Errors
      • Tips and Tricks
    • How To Catheterize the Bladder in a Female Child
      • Indications
        • Indications reference
      • Contraindications
      • Complications
      • Equipment
      • Additional Considerations
      • Relevant Anatomy
      • Positioning
      • Step-by-Step Description of Procedure
      • Aftercare
      • Warnings and Common Errors
      • Tips and Tricks
    • How To Catheterize the Bladder in a Male Child
      • Indications
        • Indications reference
      • Contraindications
      • Complications
      • Equipment
      • Additional Considerations
      • Relevant Anatomy
      • Positioning
      • Step-by-Step Description of Procedure
      • Aftercare
      • Warnings and Common Errors
      • Tips and Tricks
    Human Immunodeficiency Virus (HIV) Infection in Infants and Children
    • Human Immunodeficiency Virus (HIV) Infection in Infants and Children
      • General reference
      • Epidemiology
        • Incidence
        • Mortality
        • Epidemiology references
      • Transmission of HIV
      • Transmission references
      • Classification
        • Classification reference
      • Symptoms and Signs
        • Children receiving combination antiretroviral therapy (ART)
        • Natural history of disease in untreated children
        • Complications of HIV in children
        • Symptoms and signs references
      • Diagnosis
        • HIV-specific tests
        • HIV testing schedules for pregnant patients and neonates
        • Additional tests after HIV diagnosis
        • Diagnosis references
      • Treatment
        • Indications for ART in children
        • Adherence to ART
        • Monitoring
        • Prevention of opportunistic infections
        • Psychosocial approach to children with HIV infection
        • Routine vaccinations
        • Treatment references
      • Transition to Adult Care
        • Transition to adult care references
      • Prognosis
        • Prognosis references
      • Prevention
        • Prevention of perinatal transmission
        • Prevention of perinatal transmission via human milk
        • Prevention of adolescent transmission
        • Pre-exposure prophylaxis (PrEP)
        • Prevention references
      • Key Points
      • More Information
    • Antiretroviral Therapy in Children
      • General reference
      • More Information
    Hypertension in Children
    • Hypertension in Children
      • Definition of hypertension in children
      • General references
      • Etiology
        • Primary hypertension
        • Secondary hypertension
        • Etiology references
      • Pathophysiology
        • Complications of pediatric hypertension
        • Pathophysiology references
      • Symptoms and Signs
      • Diagnosis
        • Blood pressure screening
        • Ambulatory blood pressure monitoring (ABPM)
        • Evaluation of cause
        • Diagnosis references
      • Treatment
        • Pharmacologic therapy for hypertension in children
        • Treatment references
      • Prevention
        • Prevention references
      • Key Points
      • More Information
    • Acute Severe Hypertension in Children
      • General references
      • Etiology
      • Symptoms and Signs
      • Diagnosis
      • Treatment
      • Treatment references
      • Key Points
    • Medications for Hypertension in Children
      • General reference
      • Adrenergic Modifiers
      • Angiotensin-Converting Enzyme (ACE) Inhibitors
      • Angiotensin II Receptor Blockers (ARBs)
      • Calcium Channel Blockers (CCBs)
      • Thiazide Diuretics
      • Direct Vasodilators
    Infections in Neonates
    • Overview of Neonatal Infections
      • Prenatal (in utero) infection
      • Intrapartum infection
      • Postpartum infection
      • Risk factors for neonatal infection
      • Symptoms and Signs
      • Diagnosis
      • Treatment
    • Congenital and Perinatal Cytomegalovirus Infection (CMV)
      • General reference
      • Etiology
        • Etiology references
      • Symptoms and Signs
        • Symptoms and signs reference
      • Diagnosis
      • Treatment
        • Treatment reference
      • Prognosis
        • Prognosis references
      • Prevention
        • Prevention references
      • Key Points
    • Congenital Rubella
      • Symptoms and Signs
      • Diagnosis
      • Treatment
        • Treatment references
      • Prevention
        • Prevention reference
      • Key Points
    • Congenital Syphilis
      • General references
      • Symptoms and Signs
      • Diagnosis
        • Early congenital syphilis
        • Late congenital syphilis
        • Follow up
      • Treatment
        • Prenatal management
        • Early congenital syphilis
        • Older infants and children with newly diagnosed congenital syphilis
        • Treatment references
      • Prevention
        • Prevention reference
      • Key Points
    • Congenital Toxoplasmosis
      • General reference
      • Etiology
        • Etiology reference
      • Symptoms and Signs
      • Diagnosis
      • Treatment
        • Treatment references
      • Prognosis
      • Prevention
        • Prevention reference
      • Key Points
    • Neonatal Conjunctivitis
      • Etiology
        • Etiology references
      • Symptoms and Signs
      • Diagnosis
      • Treatment
        • Treatment reference
      • Prevention
        • Prevention references
      • Key Points
    • Neonatal Hepatitis B Virus (HBV) Infection
      • Etiology
        • Etiology reference
      • Symptoms and Signs
      • Diagnosis
      • Treatment
      • Prognosis
      • Prevention
        • Prevention references
      • Key Points
    • Neonatal Herpes Simplex Virus (HSV) Infection
      • General reference
      • Symptoms and Signs
        • Localized disease
        • Disseminated disease
        • Symptoms and signs reference
      • Diagnosis
      • Treatment
      • Prognosis
        • Prognosis references
      • Prevention
        • Prevention references
      • Key Points
    • Neonatal Hospital-Acquired Infection
      • General references
      • Etiology
        • Etiology reference
      • Prevention
      • Colonization reduction
      • Hand hygiene
      • Infection surveillance
      • Antibiotics
      • Vaccination
      • Prevention references
      • Key Points
    • Neonatal Listeriosis
      • General reference
      • Symptoms and Signs
      • Diagnosis
      • Treatment
      • Prognosis
        • Prognosis references
      • Prevention
      • Key Points
    • Neonatal Bacterial Meningitis
      • General references
      • Etiology
      • Symptoms and Signs
        • Symptoms and signs reference
      • Diagnosis
        • Diagnosis references
      • Treatment
        • Empiric antibiotic therapy
        • Organism-specific antibiotic therapy
        • Adjunctive measures
      • Prognosis
      • Key Points
    • Neonatal Pneumonia
      • Etiology
        • Etiology references
      • Symptoms and Signs
      • Diagnosis
      • Treatment
      • Chlamydial Pneumonia
        • Treatment
    • Neonatal Sepsis
      • General references
      • Etiology
        • Early-onset neonatal sepsis
        • Late-onset neonatal sepsis
        • Etiology references
      • Pathophysiology
        • Early-onset neonatal sepsis
        • Late-onset neonatal sepsis
      • Symptoms and Signs
        • Symptoms and signs reference
      • Diagnosis
        • CBC, differential, and smear
        • Lumbar puncture
        • Blood cultures
        • Urinalysis and culture
        • Other tests for infection and inflammation
        • Diagnosis references
      • Treatment
        • Antimicrobials
        • Other treatment
        • Treatment references
      • Prognosis
        • Prognosis reference
      • Prevention
        • Maternal indications for group B streptococcus prophylaxis
        • Prevention references
      • Key Points
    • Perinatal Tuberculosis (TB)
      • Symptoms and Signs
      • Diagnosis
        • Diagnosis reference
      • Treatment
        • Pregnant patients with a positive tuberculin test
        • Pregnant patients with active TB
        • Neonates with a positive tuberculin test
        • Asymptomatic neonates whose mother or close contacts have active TB
        • Neonates with active TB
        • Treatment references
      • Prevention
        • Prevention reference
      • Key Points
    Inherited Disorders of Metabolism
    • Introduction to Inherited Disorders of Metabolism
      • More Information
    • Approach to the Patient With a Suspected Inherited Disorder of Metabolism
      • Evaluation
        • History and physical examination
        • Initial testing
        • Specific and confirmatory testing
      • More Information
    • Overview of Amino Acid and Organic Acid Metabolism Disorders
      • More Information
    • Overview of Carbohydrate Metabolism Disorders
      • More Information
    • Overview of Fatty Acid and Glycerol Metabolism Disorders
      • More Information
    • Overview of Lysosomal Storage Disorders
      • Mucopolysaccharidoses (MPS)
      • Sphingolipidoses
      • Mucolipidoses and Other Lysosomal Disorders
      • More Information
    • Overview of Purine and Pyrimidine Metabolism Disorders
      • More Information
    • Mitochondrial Oxidative Phosphorylation Disorders
      • Leber Hereditary Optic Neuropathy (LHON)
        • LHON references
      • Leigh Syndrome
        • Leigh syndrome references
      • Mitochondrial Encephalomyopathy, Lactic Acidosis, and Strokelike Episodes (MELAS)
      • Mitochondrial Neurogastrointestinal Encephalomyopathy (MNGIE)
        • MNGIE reference
      • Myoclonic Epilepsy with Ragged-Red Fibers (MERRF)
      • Neuropathy, Ataxia, and Retinitis Pigmentosa (NARP)
      • Single Large-Scale Mitochondrial DNA Deletion Syndromes (SLSMDS)
      • More Information
    • Peroxisomal Disorders
      • References
      • Classic Refsum Disease
        • Refsum disease reference
      • Rhizomelic Chondrodysplasia Punctata
      • X-Linked Adrenoleukodystrophy (ALD)
        • X-linked ALD references
      • Zellweger Syndrome (ZS), Neonatal Adrenoleukodystrophy, and Infantile Refsum Disease (IRD)
      • More Information
    • Branched-Chain Amino Acid Metabolism Disorders
      • Maple Syrup Urine Disease
        • Maple syrup urine disease reference
      • Isovaleric Acidemia
      • Propionic Acidemia
      • Methylmalonic Acidemia
      • More Information
    • Methionine Metabolism Disorders
      • Classic Homocystinuria
      • Other forms of homocystinuria
      • Cystathioninuria
      • Sulfite Oxidase Deficiency
      • More Information
    • Phenylketonuria (PKU)
      • General reference
      • Pathophysiology
        • Variant forms
      • Symptoms and Signs
      • Diagnosis
      • Treatment
      • Prognosis
      • Key Points
      • More Information
    • Tyrosine Metabolism Disorders
      • Transient Tyrosinemia of the Newborn
      • Tyrosinemia Type I
        • Tyrosinemia type I reference
      • Tyrosinemia Type II
      • Alkaptonuria
      • Oculocutaneous Albinism
      • More Information
    • Urea Cycle Disorders
      • Symptoms and Signs
      • Diagnosis
      • Treatment
        • Treatment reference
      • More Information
    • Fructose Metabolism Disorders
      • Fructose 1-Phosphate Aldolase (Aldolase B) Deficiency
        • Aldolase B deficiency reference
      • Fructokinase Deficiency
        • Fructokinase deficiency reference
      • Fructose-1,6-Bisphosphatase Deficiency
      • More Information
    • Galactosemia
      • Galactose-1-phosphate uridyl transferase deficiency
      • Galactokinase deficiency
      • Uridine diphosphate galactose 4-epimerase deficiency
      • References
      • Diagnosis
      • Treatment
      • More Information
    • Glycogen Storage Diseases
      • Reference
      • More Information
    • Pyruvate Metabolism Disorders
      • Pyruvate Dehydrogenase Deficiency
      • Pyruvate Carboxylase Deficiency
        • Pyruvate carboxylase deficiency reference
      • More Information
    • Other Carbohydrate Metabolism Disorders
      • More Information
    • Beta-Oxidation Cycle Disorders
      • Medium-Chain Acyl-CoA Dehydrogenase Deficiency (MCADD)
      • Long-Chain 3-Hydroxyacyl-CoA Dehydrogenase Deficiency (LCHADD)
      • Very Long-Chain Acyl-CoA Dehydrogenase Deficiency (VLCADD)
      • Glutaric Acidemia Type II
      • More Information
    • Glycerol Metabolism Disorders
      • More Information
    • Cholesteryl Ester Storage Disease and Wolman Disease
      • More Information
    • Fabry Disease
      • Diagnosis
      • Treatment
        • Treatment reference
      • More Information
    • Gaucher Disease
      • Type I Gaucher disease
      • Type II Gaucher disease
      • Type III Gaucher disease
      • Reference
      • Diagnosis
      • Treatment
      • Key Points
      • More Information
    • Krabbe Disease
      • Diagnosis and Treatment
      • More Information
    • Metachromatic Leukodystrophy
      • Diagnosis
      • Treatment
      • More Information
    • Niemann-Pick Disease
      • Diagnosis
      • Treatment
      • More Information
    • Tay-Sachs Disease and Sandhoff Disease
      • Tay-Sachs Disease
      • Sandhoff Disease
      • More Information
    • Purine Catabolism Disorders
      • Myoadenylate Deaminase Deficiency (Muscle Adenosine Monophosphate Deaminase Deficiency)
      • Adenosine Deaminase Deficiency
      • Purine Nucleoside Phosphorylase Deficiency
      • Xanthine Oxidase Deficiency
      • More Information
    • Purine Nucleotide Synthesis Disorders
      • Phosphoribosylpyrophosphate Synthetase Superactivity
      • Adenylosuccinase Deficiency
      • More Information
    • Purine Salvage Disorders
      • Lesch-Nyhan Syndrome
      • Adenine Phosphoribosyltransferase Deficiency
      • More Information
    • Pyrimidine Metabolism Disorders
      • Uridine Monophosphate Synthase Deficiency (Hereditary Orotic Aciduria)
      • More Information
    • Hartnup Disease
      • Symptoms and Signs
      • Diagnosis
        • Diagnosis reference
      • Treatment
    Inherited Muscular Disorders
    • Congenital Myopathies
      • Central Core Myopathy and Multiminicore Myopathy (Core Myopathies)
      • Centronuclear Myopathy
      • Nemaline Myopathy
    • Familial Periodic Paralysis
      • Symptoms and Signs
        • Hypokalemic periodic paralysis
        • Hyperkalemic periodic paralysis
        • Thyrotoxic periodic paralysis
        • Andersen-Tawil syndrome
      • Diagnosis
      • Treatment
        • Hypokalemic periodic paralysis
        • Hyperkalemic periodic paralysis
        • Thyrotoxic periodic paralysis
        • Andersen-Tawil syndrome
      • Key Points
    • Introduction to Inherited Muscular Disorders
      • Congenital muscular dystrophy
      • More Information
    • Duchenne Muscular Dystrophy and Becker Muscular Dystrophy
      • General reference
      • Symptoms and Signs
        • Duchenne dystrophy
        • Becker dystrophy
        • Symptoms and signs references
      • Diagnosis
      • Treatment
        • Corticosteroids for Duchenne dystrophy
        • Genetic therapy options for Duchenne dystrophy
        • Treatment references
      • Key Points
      • More Information
    • Emery-Dreifuss Dystrophy
      • Symptoms and Signs
      • Diagnosis
      • Treatment
      • More Information
    • Facioscapulohumeral Muscular Dystrophy
      • General reference
      • Symptoms and Signs
      • Diagnosis
      • Treatment
      • Treatment reference
      • More Information
    • Limb-Girdle Dystrophy
      • References
      • Symptoms and Signs
      • Diagnosis
      • Treatment
      • Treatment reference
      • More Information
    • Myotonic Dystrophy
      • Congenital myotonic dystrophy
      • General references
      • Symptoms and Signs
      • Diagnosis
      • Treatment
        • Treatment references
      • Prognosis
        • Prognosis reference
      • More Information
    • Myotonia Congenita
      • Symptoms and Signs
      • Diagnosis
      • Treatment
      • More Information
    Rheumatologic Disorders in Children
    • Juvenile Idiopathic Arthritis (JIA)
      • General reference
      • Classification
        • Classification references
      • Symptoms and Signs
      • Diagnosis
      • Treatment
        • Treatment references
      • Prognosis
        • Prognosis reference
      • Key Points
    • Macrophage Activation Syndrome
      • General reference
      • Symptoms and Signs
      • Diagnosis
        • Diagnosis reference
      • Treatment
        • Treatment reference
      • Prognosis
    • Kawasaki Disease
      • General reference
      • Etiology
        • Etiology reference
      • Symptoms and Signs
      • Diagnosis
        • Diagnosis references
      • Treatment
        • Preventing treatment complications
        • Treatment references
      • Prognosis
        • Prognosis reference
      • Key Points
    Learning and Developmental Disorders
    • Attention-Deficit/Hyperactivity Disorder (ADHD)
      • General references
      • ADHD in adults
      • Symptoms and Signs
        • Symptoms and signs reference
      • Diagnosis
        • DSM-5-TR diagnostic criteria for ADHD
        • Other diagnostic considerations
        • Diagnosis references
      • Treatment
        • Stimulant medications
        • Nonstimulant medications
        • Behavioral management
        • Treatment references
      • Prognosis
      • Key Points
      • More Information
    • Autism Spectrum Disorder
      • General reference
      • Etiology
        • Etiology references
      • Symptoms and Signs
        • Symptoms and signs references
      • Diagnosis
        • Diagnosis references
      • Treatment
      • Key Points
      • More Information
    • Overview of Learning Disorders
      • General references
      • Symptoms and Signs
        • Academic impairments
        • Executive function impairments
        • Behavior problems
      • Diagnosis
        • Evaluation
        • Clinical criteria
      • Treatment
      • More Information
    • Intellectual Disability
      • General references
      • Etiology
        • Prenatal factors
        • Perinatal factors
        • Postnatal factors
      • Symptoms and Signs
        • Comorbid disorders
      • Diagnosis
        • Prenatal testing
        • Intelligence and developmental assessment
        • Diagnosis of cause
        • Diagnosis reference
      • Treatment
      • Prognosis
      • Prevention
      • Key Points
      • More Information
    • Dyslexia
      • General references
      • Etiology
        • Etiology reference
      • Pathophysiology
      • Symptoms and Signs
      • Diagnosis
      • Treatment
      • Key Points
      • More Information
    Psychiatric Disorders in Children and Adolescents
    • Overview of Psychiatric Disorders in Children and Adolescents
      • General references
      • Evaluation
      • Evaluation reference
    • Overview of Anxiety Disorders in Children and Adolescents
      • General references
      • Etiology
        • Etiology references
      • Pathophysiology
      • Pathophysiology references
      • Symptoms and Signs
        • Symptoms and signs reference
      • Diagnosis
        • Diagnosis references
      • Treatment
        • Behavioral therapy
        • Family interventions
        • Pharmacotherapy
        • Treatment references
      • Prognosis
      • Key Points
    • Suicidal Behavior in Children and Adolescents
      • General references
      • Etiology
        • Etiology references
      • Treatment
        • Treatment references
      • Response to suicide
      • Prevention
        • Prevention references
      • Key Points
      • More Information
    • Generalized Anxiety Disorder in Children and Adolescents
      • Reference
      • Symptoms and Signs
        • Symptoms and signs references
      • Diagnosis
        • Diagnosis reference
      • Treatment
        • Treatment reference
      • Key Points
    • Social Anxiety Disorder in Children and Adolescents
      • Symptoms and Signs
      • Diagnosis
        • Diagnosis reference
      • Treatment
    • Separation Anxiety Disorder
      • Symptoms and Signs
      • Diagnosis
        • Diagnosis reference
      • Treatment
        • Treatment references
      • Key Points
    • Panic Disorder in Children and Adolescents
      • References
      • Symptoms and Signs
      • Diagnosis
        • Diagnosis reference
      • Treatment
        • Treatment references
      • Prognosis
        • Prognosis reference
      • Key Points
    • Agoraphobia in Children and Adolescents
      • General reference
      • Diagnosis
        • Diagnosis reference
      • Treatment
    • Somatic Symptom and Related Disorders in Children
      • General reference
      • Diagnosis
        • Diagnosis reference
      • Treatment
        • Treatment references
      • Key Points
    • Acute and Posttraumatic Stress Disorders (ASD and PTSD) in Children and Adolescents
      • General references
      • Etiology
      • Etiology references
      • Symptoms and Signs
      • Diagnosis
        • Diagnosis references
      • Treatment
        • Treatment references
      • Prognosis
        • Prognosis references
      • Key Points
    • Bipolar Disorders in Children and Adolescents
      • General references
      • Etiology
        • Etiology references
      • Symptoms and Signs
      • Diagnosis
        • Diagnosis references
      • Treatment
        • Treatment references
      • Prognosis
        • Prognosis reference
      • Key Points
    • Conduct Disorder
      • General references
      • Etiology
        • Etiology references
      • Symptoms and Signs
      • Diagnosis
        • Diagnosis reference
      • Treatment
        • Treatment references
      • Prognosis
        • Prognosis reference
      • Key Points
    • Depressive Disorders in Children and Adolescents
      • General references
      • Etiology
        • Etiology references
      • Pathophysiology
        • Pathophysiology references
      • Symptoms and Signs
        • Disruptive mood dysregulation disorder
        • Major depressive disorder
        • Persistent depressive disorder (dysthymia)
        • Symptoms and signs references
      • Diagnosis
        • Diagnosis references
      • Treatment
        • Suicide risk and antidepressants
        • Treatment references
      • Prognosis
        • Prognosis references
      • Key Points
    • Nonsuicidal Self-Injury (NSSI) in Children and Adolescents
      • General references
      • Diagnosis
        • Diagnosis reference
      • Treatment
        • Treatment reference
    • Obsessive-Compulsive Disorder and Related Disorders in Children and Adolescents
      • General references
      • Etiology
        • Etiology references
      • Pathophysiology
        • Pathophysiology references
      • Symptoms and Signs
      • Diagnosis
        • Diagnosis references
      • Treatment
        • Treatment references
      • Prognosis
        • Prognosis references
      • Key Points
    • Oppositional Defiant Disorder (ODD)
      • Reference
      • Etiology
        • Etiology reference
      • Symptoms and Signs
      • Diagnosis
        • Diagnosis reference
      • Treatment
      • Treatment reference
      • Prognosis
        • Prognosis reference
      • Key Points
    • Schizophrenia in Children and Adolescents
      • General references
      • Etiology
        • Etiology references
      • Pathogenesis
        • Pathogenesis references
      • Symptoms and Signs
        • Symptoms and signs reference
      • Diagnosis
        • Diagnosis reference
      • Treatment
        • Treatment references
      • Prognosis
        • Prognosis references
    Metabolic, Electrolyte, and Toxic Disorders in Neonates
    • Neonatal Hyperbilirubinemia
      • Consequences of hyperbilirubinemia
      • General reference
      • Pathophysiology
        • Mechanisms of hyperbilirubinemia
      • Etiology
        • Classification
        • Causes
        • Etiology reference
      • Evaluation
        • History
        • Physical examination
        • Red flags
        • Interpretation of findings
        • Timing
        • Testing
      • Treatment
        • Phototherapy
        • Exchange transfusion
        • Treatment references
      • Key Points
    • Neonatal Hypercalcemia
      • Etiology
      • Symptoms and Signs
      • Diagnosis
      • Treatment
    • Neonatal Hypocalcemia
      • Etiology
        • Early-onset hypocalcemia
        • Late-onset hypocalcemia
      • Symptoms and Signs
      • Diagnosis
      • Treatment
      • Key Points
    • Neonatal Hyperglycemia
      • Symptoms and Signs
      • Diagnosis
      • Treatment
    • Neonatal Hypoglycemia
      • Etiology
        • Transient neonatal hypoglycemia
        • Persistent neonatal hypoglycemia
      • Symptoms and Signs
      • Diagnosis
      • Treatment
        • Treatment reference
      • Key Points
    • Neonatal Hypernatremia
      • Etiology
        • Excess water loss (hypernatremic dehydration)
        • Solute overload (salt poisoning)
      • Symptoms and Signs
      • Diagnosis
      • Treatment
      • Prevention
      • Key Points
    • Neonatal Hyponatremia
      • Etiology
      • Symptoms and Signs
      • Diagnosis
      • Treatment
    • Prenatal Drug Exposure
      • Amphetamines
      • Barbiturates
      • Cocaine
      • Marijuana
      • Opioids
      • References
      • More Information
    • Chronic Bilirubin Encephalopathy
      • Symptoms and Signs
      • Diagnosis
      • Treatment
    • Fetal Alcohol Syndrome
      • Diagnosis
      • Treatment
    Miscellaneous Bacterial Infections in Infants and Children
    • Occult Bacteremia and Fever Without Apparent Source in Infants and Young Children
      • Children 3 to 36 months of age
      • Children 3 months of age
      • General references
      • Symptoms and Signs
        • Symptoms and signs reference
      • Diagnosis
        • Children 3 to 36 months of age
        • Children 3 months of age
        • Diagnosis references
      • Treatment
        • Children 3 to 36 months of age
        • Children 3 months of age
        • Treatment reference
      • Key Points
    • Urinary Tract Infection (UTI) in Children
      • Etiology
        • Urinary tract congenital anomalies or other abnormalities
        • Organisms
        • Etiology references
      • Symptoms and Signs
      • Diagnosis
        • Urine tests
        • Blood tests
        • Urinary tract imaging
        • Diagnosis references
      • Treatment
        • Vesicoureteral reflux
        • Treatment references
      • Prognosis
      • Key Points
    • Rheumatic Fever
      • General references
      • Pathophysiology
        • Joints
        • Heart
        • Skin
        • CNS
      • Symptoms and Signs
        • Joints
        • Heart
        • Skin
        • CNS
        • Other
        • Recurrence
        • Symptoms and signs reference
      • Diagnosis
        • Diagnosis reference
      • Treatment
        • Antibiotic treatment
        • Aspirin and other anti-inflammatory medications
        • Antibiotic prophylaxis
        • Treatment reference
      • Prognosis
      • Key Points
      • Poststreptococcal Reactive Arthritis
    • Bacterial Meningitis in Infants Over 3 Months of Age
      • Etiology
        • Etiology references
      • Symptoms and Signs
      • Diagnosis
        • Differential diagnosis
      • Treatment
        • Organism-specific antimicrobial therapy
        • Corticosteroids for bacterial meningitis
        • Treatment references
      • Prognosis
        • Prognosis references
      • Prevention
        • Vaccination
        • Chemoprophylaxis for meningitis
        • Prevention reference
      • Key Points
      • More Information
    Neurocutaneous Syndromes
    • Neurofibromatosis
      • Epidemiology and Etiology
        • Neurofibromatosis type 1 (NF1)
        • NF2-related schwannomatosis (NF2)
        • Non-NF2 schwannomatosis
        • Epidemiology and etiology references
      • Pathophysiology
        • Pathophysiology references
      • Symptoms and Signs
        • Neurofibromatosis type 1 (NF1)
        • NF2-related schwannomatosis (NF2)
        • Non-NF2 schwannomatosis (schwannomatosis)
        • Symptoms and signs references
      • Diagnosis
        • Diagnosis references
      • Treatment
        • Treatment references
      • Key Points
    • Sturge-Weber Syndrome
      • General reference
      • Pathogenesis
        • Pathogenesis references
      • Symptoms and Signs
        • Symptoms and signs references
      • Diagnosis
        • Diagnosis reference
      • Treatment
        • Treatment references
      • Key Points
    • Tuberous Sclerosis Complex (TSC)
      • General references
      • Symptoms and Signs
        • Symptoms and signs reference
      • Diagnosis
        • Diagnosis references
      • Treatment
        • Screening for complications
        • Treatment references
      • Prognosis
      • Key Points
      • More Information
    • Von Hippel-Lindau Disease (VHL)
      • General references
      • Symptoms and Signs
      • Diagnosis
        • Diagnosis references
      • Treatment
        • Screening for complications
        • Treatment references
      • Key Points
    Neurologic Disorders in Children
    • Cerebral Palsy (CP)
      • General references
      • Etiology
        • Etiology reference
      • Symptoms and Signs
        • Types of cerebral palsy
        • Symptoms and signs references
      • Diagnosis
      • Differential diagnosis
      • Diagnosis references
      • Treatment
        • Treatment references
      • Prognosis
        • Prognosis references
      • Prevention
        • Prevention references
      • Key Points
    • Febrile Seizures
      • General references
      • Symptoms and Signs
        • Symptoms and signs reference
      • Diagnosis
        • Diagnosis references
      • Treatment
        • Treatment reference
      • Prognosis
        • Recurrence and subsequent epilepsy
        • Neurologic sequelae
        • Prognosis references
      • Prevention
        • Prevention references
      • Key Points
    • Infantile Spasms
      • General references
      • Etiology
      • Pathophysiology
      • Symptoms and Signs
      • Diagnosis
        • Tests to determine the cause
      • Treatment
        • Treatment references
      • Prognosis
        • Prognosis references
      • Key Points
    • Tic Disorders and Tourette Syndrome in Children and Adolescents
      • Comorbidities
      • General references
      • Classification
        • Classification reference
      • Symptoms and Signs
      • Diagnosis
      • Treatment
        • Medications
        • Treatment of comorbidities
        • Treatment references
      • Key Points
    • Neonatal Seizure Disorders
      • General references
      • Etiology
      • Symptoms and Signs
        • Symptoms and signs reference
      • Diagnosis
        • EEG
        • Laboratory tests
        • Imaging tests
      • Treatment
        • Treatment of the cause
        • Antiseizure medications
        • Treatment reference
      • Prognosis
        • Prognosis reference
      • Key Points
    • Reye Syndrome
      • General references
      • Symptoms and Signs
        • Complications of Reye syndrome
      • Diagnosis
        • Differential diagnosis
        • Diagnosis reference
      • Treatment
      • Prognosis
        • Prognosis reference
      • Key Points
    Perinatal Hematologic Disorders
    • Perinatal Anemia
      • General reference
      • Etiology
        • Physiologic anemia
        • Blood loss
        • Decreased red blood cell (RBC) production
        • Hemolysis
        • Etiology references
      • Symptoms and Signs
      • Evaluation
        • History
        • Physical examination
        • Testing
      • Treatment
        • Transfusion
        • Exchange transfusion
        • Other treatments
        • Treatment references
      • Key Points
    • Perinatal Polycythemia and Hyperviscosity Syndrome
      • Etiology
      • Symptoms and Signs
      • Diagnosis
      • Treatment
      • Key Points
    Perinatal Physiology
    • Perinatal Physiology
      • Neonatal Erythropoietic Function
        • Neonatal erythropoietic function reference
      • Neonatal Bilirubin Metabolism
        • Neonatal bilirubin metabolism references
      • Neonatal Immunologic Function
        • Neonatal immunologic function references
      • Neonatal Cardiovascular Function
        • Neonatal cardiovascular function references
      • Neonatal Pulmonary Function
        • Neonatal pulmonary function references
      • Neonatal Renal Function
        • Neonatal renal function references
      • Neonatal Endocrine Function
        • Glucose metabolism
        • Mineral regulation
        • Congenital hypothyroidism
        • Neonatal endocrine function references
    Perinatal Problems
    • Neonatal Resuscitation
      • Apgar Score
      • Resuscitation
        • Initial measures
        • Ventilation and oxygenation
        • Intubation and chest compression
        • Failure to respond to resuscitation
        • No resuscitation
        • References
    • Birth Injuries
      • Facial Nerve Injury in Neonates
      • Brachial Plexus Injuries in Neonates
      • Phrenic Nerve Injuries in Neonates
      • Other Peripheral Nerve Injuries in Neonates
      • Spinal Cord Injury in Neonates
      • Extracranial Head Injuries in Neonates
        • Head molding
        • Scalp abrasions
        • Caput succedaneum
        • Subgaleal hemorrhage
        • Cephalhematoma
        • Depressed skull fractures
      • Intracranial Hemorrhage in Neonates
        • Epidural hematoma
        • Intraventricular hemorrhage and/or intraparenchymal hemorrhage
        • IVH and/or intraparenchymal hemorrhage references
        • Subarachnoid hemorrhage
        • Subdural hemorrhage
      • Fractures in Neonates
      • Soft-Tissue Injuries in Neonates
    • Hypothermia in Neonates
      • Pathophysiology
        • Pathophysiology reference
      • Etiology
      • Treatment
      • Prevention
        • Prevention references
      • Key Points
      • More Information
    • Large-for-Gestational-Age (LGA) Infant
      • Etiology
      • Symptoms, Signs, and Treatment
        • Delivery complications
        • Infants of mothers with diabetes
        • References
      • Key Points
    • Postterm Infants
      • Pathophysiology
        • Complications
      • Symptoms and Signs
      • Diagnosis
        • Diagnosis reference
      • Treatment
        • Treatment references
    • Small-for-Gestational-Age (SGA) Infant
      • Etiology
      • Symptoms and Signs
        • Complications
      • Treatment
        • Treatment reference
      • Prognosis
      • Key Points
    • Gestational Age
      • References
    • Growth Parameters in Neonates
      • References
    • Preterm Infants
      • Gestational age
      • Birthweight
      • General references
      • Etiology
        • Obstetric risks or complications
        • Spontaneous preterm delivery
        • Etiology references
      • Complications
        • Central nervous system (CNS)
        • Ocular
        • Infectious
        • Pulmonary
        • Gastrointestinal
        • Cardiac
        • Renal
        • Metabolic
        • Temperature regulation
        • Complications references
      • Diagnosis
        • Diagnosis reference
      • Preterm, Very Preterm, and Extremely Preterm Infants
        • Complications
        • Symptoms and Signs
        • Evaluation
        • Treatment
        • Prognosis
        • Prevention
        • Key Points
        • More Information
      • Late Preterm Infants
        • Complications
        • Evaluation
        • Treatment
        • Prognosis
        • Key Points
    Principles of Drug Treatment in Children
    • Overview of Drug Treatment in Children
      • General references
      • Adverse effects and toxicity
      • Adverse effects and toxicity references
      • More Information
    • Pharmacokinetics in Children
      • Absorption
      • Absorption references
      • Distribution
      • Distribution reference
      • Metabolism and elimination
      • Metabolism and elimination references
      • Drug dosing
      • Drug dosing references
    • Nonadherence in Children
    Health Care Issues in Adolescents
    • Introduction to Health Care Issues in Adolescents
      • Common Health Issues in Adolescents
        • References
    • Contraception and Pregnancy in Adolescents
      • Contraception in Adolescents
      • Pregnancy in Adolescents
        • References
    • Substance Use in Adolescents
      • References
      • Specific Substances
        • Alcohol
        • Tobacco
        • Electronic cigarette products (vaping products)
        • Cannabis (marijuana)
        • Other substances
        • Specific substances references
      • Screening
        • Screening adolescents for substance use
        • Screening adolescents for alcohol use
        • Drug testing
      • Treatment
        • Overdose prevention
        • Treatment reference
      • More Information
    • Psychosocial Development in Adolescents
      • Cognitive Development in Adolescents
      • Emotional Development in Adolescents
      • Autonomous Development in Adolescents
        • Parenting styles during adolescence
        • Development of autonomy reference
      • Social Development in Adolescents
    • Sexuality and Gender in Adolescents
      • General reference
      • Sexual Orientation and Gender Identity in Adolescents
      • Sexually Transmitted Infections (STIs) in Adolescents
        • STIs reference
    • Obesity in Adolescents
      • Reference
      • Etiology
      • Diagnosis
        • Diagnosis reference
      • Treatment
        • Treatment reference
    • Mental Health in Adolescents
      • Impact of social media on mental health
      • References
    Respiratory Disorders in Young Children
    • Respiratory Syncytial Virus (RSV) and Human Metapneumovirus Infections
      • Respiratory syncytial virus (RSV)
      • Human metapneumovirus (hMPV)
      • General references
      • Symptoms and Signs
      • Diagnosis
      • Treatment
        • Treatment references
      • Prevention
        • Prevention references
      • Key Points
    • Bacterial Tracheitis
      • General references
      • Symptoms and Signs
        • Symptoms and signs reference
      • Diagnosis
        • Diagnosis reference
      • Treatment
        • Treatment references
      • Key Points
    • Bronchiolitis
      • General references
      • Etiology
        • Etiology reference
      • Pathophysiology
        • Pathophysiology reference
      • Symptoms and Signs
        • Symptoms and signs reference
      • Diagnosis
        • Differential diagnosis
        • Diagnosis references
      • Treatment
        • Treatment references
      • Prognosis
        • Prognosis references
      • Key Points
    • Croup
      • General references
      • Etiology
      • Pathophysiology
      • Symptoms and Signs
      • Diagnosis
        • Assessment of disease severity
        • Differential diagnosis
        • Diagnosis references
      • Treatment
        • Mild croup
        • Moderate to severe croup
        • Treatment references
      • Key Points
    • Wheezing and Asthma in Infants and Young Children
      • General references
      • Etiology
        • Etiology references
      • Symptoms and Signs
        • Symptoms and signs reference
      • Diagnosis
        • Diagnosis references
      • Treatment
        • Treatment reference
      • Prognosis
        • Prognosis reference
      • Key Points
    Respiratory Problems in Neonates
    • Overview of Perinatal Respiratory Disorders
      • General reference
      • Etiology
      • Physiology
      • Evaluation
    • Respiratory Support in Neonates and Infants
      • Oxygen
        • Oxygen references
      • Continuous Positive Airway Pressure (CPAP)
        • CPAP references
      • Noninvasive or Nasal Intermittent Positive Pressure Ventilation (NIPPV)
        • NIPPV references
      • Mechanical Ventilation
        • Complications of mechanical ventilation
        • Mechanical ventilation references
      • Extracorporeal Membrane Oxygenation (ECMO)
        • ECMO references
    • Apnea of Prematurity
      • General references
      • Pathophysiology
        • Pathophysiology references
      • Diagnosis
        • Diagnosis references
      • Treatment
        • Discharge and home care
        • Treatment references
      • Prognosis
        • Prognosis references
      • Key Points
    • Bronchopulmonary Dysplasia (BPD)
      • Etiology
        • Etiology reference
      • Symptoms and Signs
      • Diagnosis
        • Diagnosis references
      • Prevention
        • Prevention references
      • Treatment
        • Treatment references
      • Prognosis
        • Prognosis references
      • Key Points
    • Meconium Aspiration Syndrome
      • Etiology
        • Etiology references
      • Pathophysiology
      • Symptoms and Signs
      • Diagnosis
      • Treatment
        • Treatment references
      • Prognosis
        • Prognosis reference
      • Key Points
    • Persistent Pulmonary Hypertension of the Newborn (PPHN)
      • Etiology
        • Etiology references
      • Pathophysiology
      • Symptoms and Signs
      • Diagnosis
      • Treatment
        • Treatment references
      • Prognosis
        • Prognosis references
      • Key Points
    • Pulmonary Air-Leak Syndromes
      • General references
      • Pneumothorax
      • Pneumothorax references
      • Pneumomediastinum
      • Pulmonary Interstitial Emphysema (PIE)
        • PIE reference
      • Pneumopericardium
      • Pneumoperitoneum
    • Respiratory Distress Syndrome in Neonates
      • Etiology
        • Etiology references
      • Pathophysiology
        • Complications of RDS
        • Pathophysiology references
      • Symptoms and Signs
      • Diagnosis
        • Screening
        • Diagnosis references
      • Treatment
        • Treatment references
      • Prognosis
        • Prognosis references
      • Prevention
        • Prevention references
      • Key Points
    • Transient Tachypnea of the Newborn
      • General references
      • Symptoms and Signs
      • Diagnosis
      • Treatment
        • Treatment references
      • Prognosis
    Sudden Unexpected Infant Death and Brief, Resolved, Unexplained Events
    • Brief, Resolved, Unexplained Events (BRUE)
      • Relationship to SIDS
      • General references
      • Etiology
        • Etiology references
      • Epidemiology
        • Epidemiology references
      • Risk Stratification
        • Risk stratification references
      • Diagnosis
        • History
        • Physical examination
        • Testing
        • Diagnosis references
      • Treatment
        • Low-risk infants
        • High-risk infants
        • Treatment references
      • Prognosis
        • Prognosis references
      • Key Points
    • Sudden Unexpected Infant Death (SUID) and Sudden Infant Death Syndrome (SIDS)
      • General references
      • Etiology
        • Risk factors for SUID and SIDS
        • Etiology references
      • Diagnosis
        • Diagnosis reference
      • Management
        • Management references
      • Prevention
        • Prevention reference
      • Key Points
      • More Information
    Stool Incontinence in Children
    • Stool Incontinence in Children
      • General reference
      • Etiology
      • Pathophysiology
      • Diagnosis
        • Diagnosis reference
      • Treatment
        • Stool impaction
        • Behavioral strategies
        • Maintenance
        • Treatment references
      • Key Points
    Urinary Incontinence in Children
    • Urinary Incontinence in Children
      • General references
      • Pathophysiology
        • Pathophysiology references
      • Etiology
        • Enuresis
        • Daytime incontinence
        • Etiology references
      • Evaluation
        • History
        • Physical examination
        • Red flags
        • Interpretation of findings
        • Testing
        • Evaluation references
      • Treatment
        • Enuresis
        • Daytime incontinence
        • Treatment references
      • Key Points
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