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<span id="v103005505" class="anchor" ></span><div class="para" > <p >A stethoscope is placed on a newborn's chest to listen to the heartbeat and breath sounds.</p></div>

Heartbeat and Breath Sounds in a Newborn

<span id="v102939472" class="anchor" ></span><div class="para" > <p >When heard through a stethoscope, turbulent blood flow produces a murmur as blood tumbles over an abnormal heart valve. A similar sound called a bruit is heard as blood goes through a narrowed or irregular artery. A bruit heard in the neck over the carotid artery indicates that atherosclerosis, which is a major risk factor for transient ischemic attack or stroke, is present within the blood vessel.</p></div>

Turbulent Blood Flow

<span id="v102946046" class="anchor" ></span><div class="para" > <p >This child has whooping cough with the whoop. Only about half of people with whooping cough develop the typical whoop. </p></div><span id="v102946047" class="anchor" ></span><div class="para" > <p >In this recording, the child coughs without breathing in until she has emptied her lungs of air. Then, she breathes in with a whoop.</p></div>

Whooping Cough With the Whoop

Stridor

<span id="v102942884" class="anchor" ></span><div class="para" > <p >This child has whooping cough without the whoop. Only about half of people with whooping cough develop the typical whoop. </p></div><span id="v102942885" class="anchor" ></span><div class="para" > <p >In this recording, the child coughs without breathing in until she has emptied her lungs of air. Then she breathes in. There is a slight pause between the coughing fit and breathing in. In severe cases, this pause in breathing may be long enough to cause the skin to turn blue and may be life threatening.</p></div>

Whooping Cough Without the Whoop

Wheezing

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Children's Health Issues (4)

Ear, Nose, and Throat Disorders (1)

Heart and Blood Vessel Disorders (1)

Infections (2)

Lung and Airway Disorders (2)