Automated external defibrillators (AEDs) are safe to use. There are no reports of AEDs harming bystanders or users. Also, there are no reports of AEDs delivering inappropriate shocks.
自动体外除颤器（AEDs）使用是安全的。目前没有记录显示AED设备对目击者和使用人员有伤害。另外，没有报告显示AED设备释放过不恰当的电流。
If someone is having sudden cardiac arrest, using an AEDand giving CPR (cardiopulmonary resuscitation) can improve the person's chance of survival.
对于那些心源性猝死的患者使用AED和给予心肺复苏CPR可以提高患者的生存机会。