A 65-year-old man has urine output of 10 mL/h following abdominal aoic aneurysmectomy. Acute tubular necrosis is suggested by the presence of which of the following?

Question

Accepted Answer

Urine osmolality of more than 500 mOsm/kg

Answer

Urine sodium of more than 40 mEq/L

Answer

Fractional excretion of sodium of <1%

Answer

Blood urea nitrogen (BUN)-to-serum creatinine ratio (SCR) of more than 20

A 65-year-old man has urine output of 10 mL/h following abdominal aoic aneurysmectomy. Acute tubular necrosis is suggested by the presence of which of the following?

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