Sodium Deficit in Hyponatremia

 
Input
 
Sex Female (0.5)

Male (0.6)
Normal Wgt  
Serum Na  
Desired Na  

 
Result
 
 
Na Deficit   mEq_Na
 
Decimal Precision  
 
Notes
  • The term Sex * Normal Wgt represents the normal total body water (TBW).
  • Normal TBW is gender specific as seen in the 0.6 and 0.5 factors above.

 
Equations used
 
NaDeficit = Sex * NormalWgt * (DesiredNa - SerumNa)

 
Calculation Details and Variables
  • Equation parameters such as Sex, have two or more discrete values that may be used in the calculation. The numbers in the parentheses, e.g. (0.5), represent the values that will be used.

 

 
 
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