Sodium Deficit Calculator
Estimate the amount of sodium needed to correct hyponatremia to a target level.
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Result
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Formula
Calculates the milliequivalents of sodium required to raise the serum concentration to a safer target.
Worked Example
Frequently Asked Questions
How quickly should sodium be corrected?
General guidelines suggest not exceeding a raise of 8–10 mEq/L in a 24-hour period to avoid neurological complications.
Does this calculate IV fluid volume?
No, this calculates the total deficit in mEq. You must then determine the appropriate volume of saline (e.g., 3% or 0.9%) based on clinical protocols.
What is TBW in this formula?
Total Body Water (TBW) is typically Weight * 0.6 for men and Weight * 0.5 for women.
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