Unstable myocardial infarction.
D000787:Angina Pectoris / Q000150:complications; D001130:Arizona; D001026:Coronary Artery Bypass / Q000401:mortality*; D006801:Humans; D009203:Myocardial Infarction / Q000601:surgery*; D011183:Postoperative Complications / Q000401:mortality