Automatic defibrillation.
D000818:Animals; D003327:Coronary Disease / Q000150:complications; D004285:Dogs; D006323:Heart Arrest / Q000150:complications / Q000628:therapy*; D006327:Heart Block / Q000628:therapy*; D006801:Humans; D005082:Physical Exertion; D014693:Ventricular Fibrillation / Q000628:therapy