What is the role of coronary artery spasm in ischemic heart disease?
D000787:Angina Pectoris / Q000150:complications; D000788:Angina Pectoris, Variant / Q000175:diagnosis; D001145:Arrhythmias, Cardiac / Q000150:complications; D003327:Coronary Disease / Q000150:complications*; D003329:Coronary Vasospasm / Q000150:complications* / Q000175:diagnosis; D003645:Death, Sudden / Q000209:etiology; D004562:Electrocardiography; D005080:Exercise Test; D006339:Heart Rate; D006801:Humans; D009203:Myocardial Infarction / Q000150:complications; D011379:Prognosis