<prompt> Thrombotic event is seen in all of following except:Paroxysmal nocturnal hemoglobinuriaDisseminated intravascular coagulationIdiopathic thrombocytopenic purpuraHeparin induced thrombocytopenia  <response>: PNH is seen due to PIGA gene defect - Pancytopenia Altered function of platelets - risk of thrombosis Especially in cerebral hepatic veins - Moality DIC is thrombo-hemorrhagic disorder Heparin-induced thrombocytopenia has ab produced against platelet factor 4. Also associated with risk of thrombosis In ITP, Immune dysfunction characterized by ab formation against Platelet antigen. - Pt sequestration Coombs ve, Hemolytic anemia - platelet count - Bleeding 