Patients with partially blocked blood vessel(s) in their heart may need a medical procedure called "Percutaneous Coronary Intervention (PCI)" to open the narrowed blood vessel(s). The purpose of this study is to simultaneously address four potential advances in ST-Elevation Myocardial Infarction (STEMI) care for patients at least 65 years old. The investigators are looking to see if these advances can improve the outcome for these patients. 1. Opening the arteries with a Medtronic stent 2. Radial access (from wrist) success with a Medtronic stent 3. Checking the percent of blockage in the diseased artery/arteries using Volcano guide wires. 4. Reduced bleeding and vascular complications with radial arterial access for primary PCI in STEMI.