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The Fractional Excretion of Sodium (FENa) Calculator is a valuable tool used in clinical settings to assess kidney function and help determine the cause of acute kidney injury. This calculator provides a quick and accurate way to calculate the percentage of sodium excreted in the urine relative to the amount filtered by the kidneys.
Designed for simplicity, this FENa calculator requires only four essential values to generate a precise result:
- Plasma Sodium: measured in mmol/L or mEq/L
- Plasma Creatinine: entered in either mg/dL or μmol/L
- Urine Sodium: input as mmol/L or mEq/L
- Urine Creatinine: provided in mg/dL or μmol/L
Once you input the required data, the calculator instantly computes the FENa percentage—giving you a clear insight into renal function without unnecessary complexity. This straightforward tool does exactly what it promises, with no distractions or extra steps.
