Myocardial infarction or acute myopericarditis.
D003937:Diagnosis, Differential; D006801:Humans; D009203:Myocardial Infarction / Q000150:complications / Q000175:diagnosis*; D009205:Myocarditis / Q000175:diagnosis*; D010493:Pericarditis / Q000150:complications / Q000175:diagnosis*