Sodium deficit calculator

Sodium Deficit

Sodium Deficit / Free Water Deficit

Parameter	Value
Sex	1 Male (TBW = 0.6)   Female (TBW = 0.5)
Weight (kg)
Current Sodium (mEq/L)
Desired Sodium (mEq/L)
Results
Total Body Water (L)	L
Sodium Deficit (mEq)	mEq
Free Water Deficit (L) — for hypernatremia	L

References
Adrogué HJ, Madias NE. Hyponatremia. N Engl J Med. 2000;342(21):1581-1589. PMID 10824078. Adrogué HJ, Madias NE. Hypernatremia. N Engl J Med. 2000;342(20):1493-1499. PMID 10816188. Correction rate: Do not exceed 8-10 mEq/L per 24 hours for hyponatremia to avoid osmotic demyelination syndrome.