BUN / Creatinine Ratio Calculator

Medical Calculator – SonDoctor.com × BUN / Creatinine Ratio Calculator BUN (mg/dL) : Creatinine (mg/dL) : BUN-to-Cr ratio Normal: about 12 ~ 20 – Low : ATN, Low protein intake, Starvation, Severe liver disease – High : Prerenal uremia, High protein intake, GI bleeding – High with elevated Cr : Post-renal obstruction, Prerenal uremia with … Read more

RFI Calculator (Renal Failure Index)

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