 - identification of an intracoronary thrombus by angiography or autopsy. Congestive heart failure: at least one of the following clinical signs i.e. elevated jugular venous pressure, respiratory ralescrackles, crepitations, or presence of S3 and at least one of the following radiographic findings i.e. vascular redistribution, interstitial pulmonary edema, or frank alveolar pulmonary edema. 