Blood Urea Nitrogen to Serum Creatinine Ratio (BUN:Cr) Calculator

Blood Urea Nitrogen to Serum Creatinine Ratio (BUN:Cr) in medicine is defined as the ratio of two serum laboratory values, the blood urea nitrogen (BUN) (mg/dL) and serum creatinine (Cr) (mg/dL). The Blood Urea Nitrogen to Serum Creatinine Ratio (BUN:Cr) in medical test is used to detemine the cause of acute kidney diseases. The ratio of Blood Urea Nitrogen to Serum Creatinine Ratio (BUN:Cr) is usually between 10:1 and 20:1. An increase in the ratio indicates the decrease in the flow of blood to the kidneys.

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