The early appearance of the postmyocardial infarction syndrome.
D006332:Cardiomegaly / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000209:etiology*; D004562:Electrocardiography; D006801:Humans; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000150:complications*; D010490:Pericardial Effusion / Q000175:diagnosis / Q000209:etiology*; D010493:Pericarditis / Q000209:etiology; D011859:Radiography; D013997:Time Factors