Are implantable cardioverter defibrillators safe for people older than 75?
D000367:Age Factors; D000368:Aged; D017147:Defibrillators, Implantable; D004869:Equipment Safety; D006801:Humans; D013318:Stroke Volume; D017180:Tachycardia, Ventricular / Q000517:prevention & control*; D014693:Ventricular Fibrillation / Q000517:prevention & control*; D016277:Ventricular Function, Left