prerenal azotemia

RFI Calculator (Renal Failure Index)

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Medical Calculator – SonDoctor.com × RFI Calculator (Renal Failure Index) RFI = Urine Na / ( Urine Cr / Serum Cr) Urine Sodium (mmol/L) : Urine Creatinine (mg/dL) : Serum Creatinine (mg/dL) : RFI < 1 : Prerenal Azotemia RFI > 1 : Intrinsic Renal Azotemia