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Figure 1 Acute ischemia pathway. EF = ejection fraction; LV = left ventricular; Rx = treatment. Adapted from ACC/AHA Guidelines for the Management of Patients with Unstable Angina and Non-ST-Segment Elevation Myocardial Infarction. J Am Coll Cardiol 2000;36:970–1062. Copyright 2002 by the American College of Cardiology and American Heart Association, Inc. Permission granted for one-time use.