RT Book, Section A1 Demeter, Bradley L. A1 Beck, Eric H. A2 Sherman, Scott C. A2 Weber, Joseph M. A2 Schindlbeck, Michael A. A2 Rahul G., Patwari SR Print(0) ID 1101223127 T1 Emergency Medical Services T2 Clinical Emergency Medicine YR 2014 FD 2014 PB McGraw-Hill Education PP New York, NY SN 978-0-07-179460-2 LK accessemergencymedicine.mhmedical.com/content.aspx?aid=1101223127 RD 2024/03/29 AB Emergency medical services (EMS) is the extension of emergency medical care into the prehospital setting.The U.S. EMS Systems Act of 1973 established key elements for EMS systems to receive funding.In 2012, the American Board of Medical Specialties approved EMS as a subspecialty.