Home defibrillators may save lives, but aren't for everyone.  AEDs provide reassurance, but CPR may be just as effective.
D016887:Cardiopulmonary Resuscitation; D016757:Death, Sudden, Cardiac / Q000517:prevention & control*; D047548:Defibrillators; D005260:Female; D006699:Home Care Services; D006801:Humans; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000150:complications / Q000628:therapy*