Medical MCQ-Which of the following is not true about intrinsic renal failure in case of ischemic ATN?

Which of the following is not true about intrinsic renal failure in case of ischemic ATN?

Specific gravity < 1.015

FENa < 1

Urine sodium > 20 mmol/L

Urine creatinine to plasma creatinine ratio < 20

Question Category:

Medicine

Correct Answer:

Urine sodium > 20 mmol/L

Description:

Ans. c. Urine sodium > 20 mmol/L. (Ref H-18th/Table 44-2) Index Prerenal Azotemia *(lschemic ATN)Oliguric Acute Renal FailureBUN/PCr Ratio>20:110-15:1Urine sodium (UNa), mEq/L<20>40Urine osmolality, mOsm/L H2o>500<350Fractional excretion of sodium<1%>2%FENa=UN, x PCr x 100---------PNa,x UCr Urine/plasma creatinine (UCr/PCr)>40<20

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