Medical evacuation, often shortened to medevac or medivac, is the timely and efficient movement and en route care provided by medical personnel to wounded being evacuated from a battlefield, to injured patients being evacuated from the scene of an accident to receiving medical facilities, or to patients at a rural hospital requiring urgent care at a better-equipped facility using medically equipped air ambulances, especially helicopters.
Examples include civilian EMS vehicles, civilian aeromedical helicopter services, and military air ambulances. This term also covers the transfer of patients from the battlefield to a treatment facility or from one treatment facility to another by medical personnel, such as from a local hospital to a trauma center.
The first medical transport by air was recorded in Serbia in the autumn of 1915 during the First World War. One of the ill soldiers in that first medical transport was Milan Rastislav Štefánik, a Slovak pilot-volunteer who was flown to safety by French aviator Louis Paulhan.
The United States Army used this lifesaving technique in Burma toward the end of World War II with Sikorsky R-4B helicopters. The first helicopter rescue was by 2nd Lt Carter Harman, in Japanese-held Burma, who had to make several hops to get his Sikorsky YR-4B to the 1st Air Commando Group's secret airfield in enemy territory and then made four trips from there between April 25 and 26 to recover the American pilot and four injured British soldiers, one at a time. The first medivac under fire was done in Manila in 1945 when five pilots evacuated 75-80 soldiers one or two at a time.
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A helicopter is a type of rotorcraft in which lift and thrust are supplied by horizontally spinning rotors. This allows the helicopter to take off and land vertically, to hover, and to fly forward, backward and laterally. These attributes allow helicopters to be used in congested or isolated areas where fixed-wing aircraft and many forms of short take-off and landing (STOL) or short take-off and vertical landing (STOVL) aircraft cannot perform without a runway. In 1942, the Sikorsky R-4 became the first helicopter to reach full-scale production.
Air medical services are the use of aircraft, including both fixed-wing aircraft and helicopters to provide various kinds of medical care, especially prehospital, emergency and critical care to patients during aeromedical evacuation and rescue operations. During World War I, air transport was used to provide medical evacuation – either from frontline areas or the battlefield itself.
An ambulance is a medically equipped vehicle which transports patients to treatment facilities, such as hospitals. Typically, out-of-hospital medical care is provided to the patient during the transport. Ambulances are used to respond to medical emergencies by emergency medical services (EMS). For this purpose, they are generally equipped with flashing warning lights and sirens. They can rapidly transport paramedics and other first responders to the scene, carry equipment for administering emergency care and transport patients to hospital or other definitive care.
Infectious diseases and antimicrobial resistance are major burdens in developing countries, where very specific conditions impede the deployment of established medical infrastructures. Since biosensing devices are nowadays very common in developed countrie ...