<prompt> Five year old child presents with oliguria. There is history of bloody diarrhea 2 weeks ago. Coagulation tests are normal. Peripheral smear is given. What is your diagnosisThrombotic thrombocytopenic purpuraIdioppathic thrombocytopenic purpuraG6PD deficiencyHemolytic uremic syndrome  <response>: Ans. d Hemolytic uremic syndromeRef: R 9thpg 659Features of oliguria following an episode of diarrhea with peripheral smear finding of Schistocytes Helmet cells is suggestive of Hemolytic uremic syndrome. 