A 12 year old boy had severe vomiting and diarrhoea. He was brought to the hospital bacause of severe oliguria. He was given IV fluids and furosemide without any diuresis. Blood beichemistry revealed : Urea 120 mg% and serum creatinine 4 mg%. The most likely diagnosis is -
Ans. is 'b' i.e., Hemolytic uremic syndrome
Preneal azotemia
Haemolytic uraemic syndrome
Acute glomerulonephritis
Acute tubular necrosis