Pathology General 740bc602 True about Dressler's syndrome is all, except A Presents as sub sternal chest pain B Usually occurs within hours after MI C May be due to early use of anti coagulant D Responds to aspirin therapy High-Yield Explanation Dressler's syndrome (Fibrinous Pericarditis): It is an autoimmune reaction and manifest after 2 - 3 weeks after MI.