Fractional Excretion of Sodium (FENa)
|Fractional Excretion of Sodium (FENa):|
|Renal Failure Index (RFI):|
Fractional Excretion of sodium (FENa)
Fractional Excretion of sodium (FENa) is the amount of salt (sodium) that leaves the body through urine compared to the amount filtered and reabsorbed by the kidney. FENa is calculated as follows:
Renal Failure Index (RFI)
- Fractional sodium excretion on Wikipedia
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