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Fractional Excretion Of Sodium Formula

In the setting of acute renal failure a fractional excretion of sodium fe na 1 suggests a prerenal state while a value 1 is suggestive of atn. The fractional excretion of sodium fena determines if renal failure is due to pre renal intrinsic or post renal pathology. Fractional excretion of sodium f…

Fractional Excretion Of Sodium

The fractional excretion of sodium is the percentage of the sodium filtered by the kidney which is excreted in the urine. It is measured in terms of plasma and urine sodium rather than by the interpretation of urinary sodium concentration alone as urinary sodium concentrations can vary with water …