ABSTRACT
A. Emergency Medical Service Systems Emergency medical service (EM S) systems serve to organize out-of-hospital
medical components that move ill and injured individuals into the hospital medical system. EMS organization in the US is based on state oversight of smaller regional or local systems. EMS components include: emergency 911 telephone access, 911 communication centers for dispatch of ambulances and other EMS units, EMS responders (first responders, emergency medical technicians, and paramedics), des ignated medical command centers for radio communication with field personnel, and EMS hospital receiving centers.
