Calculations must be re-checked, shouldn't be used alone for patient care, and don't substitute for professional judgment. See our full disclaimer.
Calculates sodium quantity missing in hyponatremia.
Sodium Deficit = Total Body Water * Normal Wt in kg * (Desired Na - Pt's Na) (TBW = 0.6 if male and 0.5 if female)
Remember not to correct too rapidly to avoid central pontine myelinolysis!
You can use the hyponatremia correction rate calculator to pick an appropriate fluid and volume as well.
Calculations must be re-checked and should not be used alone to guide patient care nor should they substitute for clinical judgement. disclaimer