Prehospital Activation of Hospital Resources (PreAct) ST‐Segment–Elevation Myocardial Infarction (STEMI): A Standardized Approach to Prehospital Activation and Direct to the Catheterization Laboratory for STEMI Recommendations From the American Heart Association's Mission: Lifeline Program. Issue 2 (21st January 2020) - Kontos, Michael C.