<prompt> An infant with history of diarrhoea 5 days back has urea 200 mg and creatinine 5 mg. The platelet count is 90000. Fragmented R.B.C s are found in the peripheral smear. The most possible diagnosisHUSTTPITPHemolytic anemia  <response>: The clues in this question are -History of diarrhoea Raised BUN and creatinineThrombocytopenia Fragmented RBCs in the peripheral smear All these suggest the diagnosis of HUS. 