What is the use of automated external defibrillators?

Heart Rhythm. Aeds are used to restart a heart that stops beating or reset a heart that has a deadly arrythmia during a cardiac event.
AED. Aeds were developed to make it easy for nonprofessionals to provide emergency defibrillation to cardiac arrest victims. They are made with simple to follow directions so that the potential for bystanders to save a life using them is present.

Related Questions

What age must you be to use an automated external defibrillator?

In years? You must be old enough to understand what you're doing, how to do it, and why you're doing it. Basically, if you can read and understand directions, you're old enough. Read more...