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What is 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? and explain in detail?
Oliguria-Acute tubular necrosis -Intrinsic Renal Failures Prerenal Failures Intrinsic Renal Failures Urine osmolality (mOsm/kg) >500 <350 Urine sodium (mEq/L) <20 >40 Fractional excretion of sodium <1% >2% BUN/SCR >20 <10 Urine/PCR >40 <20