1. Subject with an indication for the index procedure of acute ST-segment elevation MI (STEMI) or non ST-segment elevation MI (NSTEMI), defined as acute ischemic symptoms occurring within 72 hours before index procedure and either ST-segment deviation of 1 mm or more or elevated levels of a cardiac biomarker of necrosis (CK-MB [creatine kinase myocardial-band isoenzyme] or troponin T or I greater than the upper limit of normal; If CK-MB or troponin is not available, total CK (creatine kinase) > 2 times upper limit of normal).