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I have a symptom

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CalculatorsFractional Excretion of Sodium (FENa)

NephrologyFormula

Fractional Excretion of Sodium (FENa)

Differentiates between pre-renal azotemia and acute tubular necrosis (ATN) in the setting of oliguria.

Parameters

Units:

Serum Sodium(mEq/L)

Serum Creatinine(µmol/L)

Urine Sodium(mEq/L)

Urine Creatinine(µmol/L)

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