Emergency and critical care medicine(ECCM) system Pre-hospital care(self-help, help from bystanders, ambulance personnel via transport) life support in Emergency department, operation room and Icu EM physician is based in the ED, intensivist remained in ICUEmergency and critical care medicine (ECCM) system ◼ Pre-hospital care (self-help, help from bystanders, ambulance personnel via transport) ◼ life support in Emergency department , operation room and ICU ◼ EM physician is based in the ED, intensivist remained in ICU