A 10 year old child develops hematuria after 2 days of diarrhoea. lood film shows fragmented RBCs & thrombocytopenia. Ultasound shows marked enlargement of both kidneys. The Ilkley diagnosis is -
Acute pyelonephritis
Disseminated intravascular coagulopathy
Haemolytic uremic syndrome
Renal vein thrombosis