Renal Failure Index (RFI) Calculator

The renal failure index in a patient is one of several indices that help in distinguishing prerenal azotemia from oliguric acute renal failure. A renal failure index less than unity (1.0) is consistent with prerenal azotemia; an index greater than unity is consistent with oliguric acute renal failure. This online renal failure index calculator assists you in calculating the RFI for acute, chronic renal disease identification.

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