An automated external defibrillator or AED is a portable electronic device that automatically diagnoses the potentially life threatening cardiac arrhythmias of ventricular fibrillation and ventricular tachycardia in a patient and is able to treat them through defibrillation. Defibrillation is the application of electrical therapy which stops the arrhythmia, allowing the heart to reestablish an effective rhythm.

AEDs are designed to be simple to use for the layman, and the use of AEDs is taught in many first aid, first responder,and basic life support level CPR classes.

Why is an AED needed?

Automated external defibrillators are miracles of modern technology, automatically assessing whether someone who is having an apparent heart attack is a candidate for a shock, then administering one if needed. Without appropriate CPR and defibrillation, an SCA patient’s survival rate decreases by 10% every minute.