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 diagnosis: (A) Thrombotic thrombocytopenic purpura, (B) Idioppathic thrombocytopenic purpura, (C) G6PD deficiency, (D) Hemolytic uremic syndrome
Answer is D. Ans. (d) Hemolytic uremic syndrome(Ref: R 9th/pg 659)Features of oliguria following an episode of diarrhea with peripheral smear finding of Schistocytes (Helmet cells) is suggestive of Hemolytic uremic syndrome.