Medicine Kidney 6f610770

Which of the following values are suggestive of acute tubular necrosis -

Urine osmolality > 500mosmol/L H20

Urine sodium > 40 meq/L

Blood urea nitrogen/ plasma creatinine > 20:1

Urine creatinine/plasma creatinine > 40

High-Yield Explanation

In acute tubular necrosis - Urine sodium ->40meq/L Urine osmolality -<350mosmol/L BUN /plasma creatinine=10-15:1 Urine creatinine/plasma creatinine-<20 Casts-muddy brown Ref:Harrison 20th edition pg no. 291

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Which of the following values are suggestive of acute tubular necrosis -

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