Participating study centers and setting The project will be conducted at 3 emergency medical services (EMS/SAMU) and 23 public and private (for-profit and non-for-profit) acute care hospitals in Northern Alps in France. Northern Alps are a predominantly mountainous area covering 15,000 km² with an estimated population of 1,860,000 inhabitants with large seasonal variations due to tourism. The median distance and driving time from each community hospital to the closest PCI center are 63 km (range, 4.5-132 km) and 43 min (range, 10-88 min), respectively.