BACKGROUND:Acute aortic dissection(AoD)is a hypertensive emergency often requiring the transfer of patients to higher care hospitals;thus,clinical care document
BACKGROUND: Understanding bystander reactions to an emergency is an important component of effective training. Four stages of bystander intervention (BI) have b
China has undergone tremendous economic growth,but there still remains much room for improvement inemergency medical service (EMS) system.[1] The EMSin China comp