title: EKG of the month: supraventricular tachycardia.
mesh_terms: D004562:Electrocardiography; D006801:Humans; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000503:physiopathology; D013610:Tachycardia / Q000503:physiopathology*