Objectives for this three-part educational lecture are: - Recognize ST elevation on a 12 lead ECG - Diagnose the location of the STEMI - Identify STEMI mimics - Anticipate the culprit vessel - Understand the Pathophysiology of Acute Coronary Syndrome (ACS) - Understand the pharmacology in the treatment of ACS - Understand the process and procedure of Primary PCI in the treatment of STEMIs