A child with 22-25 stool/day, 3 day old pneumonitis, no passage of urine from 36 hours. low B.P. Blood pH – 7.21. Urine Na+–18 meq/L, S. Urea 120, serum Creatinine 1.2 indicate –
(A) Acute cortical necrosis (B) Acute tubular necrosis (C) Pre–renal Azotemia (D) Acute medullary necrosis
(C) History and clinical features of the child suggests that he is suffering from acute renal failure. From the given values we have to get the cause of this renal failure.
H/o diarrhea with low BP suggest dehydration —> a cause of prerenal ARE