Defibrillation by emergency medical technicians.
D000488:Allied Health Personnel / Q000592:standards*; D002986:Clinical Trials as Topic; D004554:Electric Countershock; D004634:Emergency Medical Technicians / Q000592:standards*; D006801:Humans; D011379:Prognosis; D014693:Ventricular Fibrillation / Q000401:mortality / Q000628:therapy*