"Sudden death... cardiac arrest... occurs because the heart suddenly stops (having either no beat, or develops a totally ineffective beat such as ). CPR is typically performed... and if one is available, a defibrillator... restoring the heartbeat. Yet... the harsh reality is that 85 to 90% of these patients die, and severe brain damage develops in half of those who do survive. ...CPR, defibrillation ...does not address the heart defect ...[W]hy stay so stubbornly attached to a method in which 85 to 90% of patients perish?"