Study of myocardial ischaemia in surgical patients.
D000328:Adult; D000368:Aged; D004562:Electrocardiography; D006760:Hospitalization; D006801:Humans; D008875:Middle Aged; D009203:Myocardial Infarction / Q000453:epidemiology*; D011183:Postoperative Complications; D011446:Prospective Studies; D013514:Surgical Procedures, Operative / Q000009:adverse effects*