Use of AEDs by bystanders doubled from 2006 to 2015, but its still relatively uncommon.

In only 6.7 percent of cases did someone other than emergency personnel administer aid.

Often, people who see someone in need wont use anAEDbecause they dont think they can operate it.

spinner image

The unit is automatic, he says, and a 911 operator can talk you through it.

Studies have indicated how simple AEDs are to operate.

The free app also allows the community to report AED locations to build a more comprehensive AED registry.

How to save a life

A fitness coach at the gym called 911 and performed CPR.

Two doctors who were there used an AED to shock Harper back to life.

He woke in a hospital two days later and was told he had suffered cardiac arrest.

How to save a life

When I was on the ground, I was already dead, he says.

Today, Harper has two stents in his arteries, an even healthier lifestyle and an appreciation for AEDs.

Life can turn on a dime, he says.

How to save a life

I believe that AEDs should not only be in gyms but in restaurants, airports and everywhere people congregate.

Unlock Access to AARP Members Edition

Already a Member?Login

The biggest loser