New Q waves after coronary artery bypass surgery for angina pectoris.
D000787:Angina Pectoris / Q000601:surgery*; D000790:Angiocardiography; D017023:Coronary Angiography; D001026:Coronary Artery Bypass; D003327:Coronary Disease / Q000601:surgery*; D004562:Electrocardiography; D006801:Humans; D009203:Myocardial Infarction / Q000000981:diagnostic imaging / Q000453:epidemiology