Automated external defibrillators.
D016757:Death, Sudden, Cardiac / Q000517:prevention & control*; D047548:Defibrillators; D018795:Device Approval; D004632:Emergency Medical Services; D006297:Health Services Accessibility; D006701:Home Nursing; D006801:Humans; D011634:Public Health; D016032:Randomized Controlled Trials as Topic; D014693:Ventricular Fibrillation / Q000628:therapy*