First three patients for new type of implantable cardioverter.
D000368:Aged; D002304:Cardiac Pacing, Artificial / Q000379:methods; D004554:Electric Countershock / Q000295:instrumentation*; D006352:Heart Ventricles; D006801:Humans; D008297:Male; D008875:Middle Aged; D013610:Tachycardia / Q000628:therapy*; D014693:Ventricular Fibrillation / Q000628:therapy