Hewlett-Packard & Sanborn defibrillators.
D004554:Electric Countershock / Q000295:instrumentation*; D004556:Electric Injuries / Q000517:prevention & control*; D004582:Electronics, Medical / Q000592:standards; D004865:Equipment and Supplies, Hospital / Q000592:standards; D006801:Humans; D014693:Ventricular Fibrillation / Q000209:etiology