An automated external defibrillator (AED) is used to urgently diagnose and treat ventricular fibrillation and can save victims of sudden cardiac arrest. An AED is attached to a victim's chest to assess the heart's rhythm. If appropriate, the device will recommend that a shock be delivered to resume a safe rhythm for the victim's heart. When delivered, a metered electrical charge may restore the heart's functionality and often saves the victim's life.
Learn more using the following resources: