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After sudden cardiac arrest, surgery to implant an implantable cardioverter defibrillator (ICD), or a fitting for a wearable cardioverter defibrillator (WCD), you will need regular visits with your doctor to check your condition, the device, or any medicines you are taking. You can get an ID card with information about your device to keep with you. It can be helpful in an emergency, to show airport security, or for medical personnel who need to know more about your device. If you have an ICD, be aware of the signs of complications with your device.

Defibrillators can be used in children, teens, and adults. AEDs are used to treat sudden cardiac arrest. Your doctor may recommend an ICD or WCD to treat an arrhythmia and prevent new or repeat sudden cardiac arrests.

There are three types of defibrillators: automated external defibrillators (AEDs), implantable cardioverter defibrillators (ICDs), and wearable cardioverter defibrillators (WCDs). Each type works by checking for arrhythmias, or irregular heart rhythms. Once detected, each defibrillator will send a shock to restore a normal rhythm. Learn more about how the three types of defibrillators work.