Electrocardiogram of the month.
D001024:Aortic Valve Stenosis / Q000175:diagnosis; D003937:Diagnosis, Differential; D004562:Electrocardiography; D006801:Humans; D006973:Hypertension / Q000175:diagnosis; D009203:Myocardial Infarction / Q000175:diagnosis; D010493:Pericarditis / Q000175:diagnosis