title: EKG of the month. This patient has Prinzmetal's variant angina.
mesh_terms: D000788:Angina Pectoris, Variant / Q000503:physiopathology*; D003329:Coronary Vasospasm / Q000503:physiopathology*; D004562:Electrocardiography; D006801:Humans; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000503:physiopathology