True about Dressler's syndrome is all, except :
Answer is A (Occurs with in hours after myocardial infarction) Dressler's syndrome develops after an interval of 1 to 4 weeks (or even month) following cardiac injury (MI) and not within hours. Dressler's syndrome / Post Cardiac Injury Syndrome Dressler's syndrome refers to an acute farm of pericarditis that develops after myocardial infarction The pericarditis typically develops I to 4 weeks following cardiac injury/MI but may appear after several months Recurrence may be seen sometimes upto 2 years or more after MI / Injury Pathological pericarditis may be of the fibrinous variety The mechanism is not ceain but they are believed to result from a hypersensitivity reaction in which the antigen originates from the injured myocardial tissue. Circulating antibodies to myocardium occur frequently. The principal symptom is 'chest pain' of acute pericarditis. Leukocvtosis, T ESR and ECG changes of acute Pericarditis may also occur. The pericarditis is usually resolves in I to 2 weeks and often no treatment is necessary apa from aspirin, NSAIDS or analgesics. Therepy with NSAIDS or coicosteroids is usually effective.
Occurs with in hours after myocardial infarction
Recurrence may be seen
Chest pain is common
Responds well to salicylates