Unstable  angina and the intermediate syndrome.
D000787:Angina Pectoris / Q000175:diagnosis / Q000601:surgery / Q000628:therapy*; D017023:Coronary Angiography; D001026:Coronary Artery Bypass; D003327:Coronary Disease / Q000000981:diagnostic imaging / Q000601:surgery; D004562:Electrocardiography; D005080:Exercise Test; D006801:Humans; D007431:Intraoperative Complications; D008297:Male; D008875:Middle Aged