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Public access AED program

Information on Sudden Cardiac Arrest and how to purchase and use an Automatic External Defibrillator (AED) in King County.


Short URL: kingcounty.gov/AED

Metal AED sign posted in a public space to indicate that an AED device is available there.

Automatic External Defibrillators (AEDs) are portable medical devices that check heart rhythms and send an electric shock to restart a normal heartbeat during sudden cardiac arrest.

Our Public access AED program ensures AEDs are available throughout our community and that the public understands how to use them. Today, there are more than 6,000 registered AEDs in King County – contributing to our county having one of the highest cardiac survival rates in the world.

Top tasks

Request a prescription to purchase an AED

Register an AED

Request medical direction

Set up an AED program

About AEDs and Sudden Cardiac Arrest

Frequently Asked Questions about Sudden Cardiac Arrest and AEDs

Common questions and answers about Sudden Cardiac Arrest (SCA) and AEDs including what to do if someone around you experiences a SCA and what laws protect volunteers who assist strangers in emergency situations.

What to do if an AED is used after a Sudden Cardiac Arrest

AED site coordinators should insure that in the event of a sudden cardiac arrest, a plan is in place to restore the AED into service and inform EMS about the use of the device as soon as possible.

Medically-approved protocols for use of an AED in King County

Follow the 3 main steps to use an AED and observe critical actions when saving someone from sudden cardiac arrest.

AED Selection Guide

A guide to help you choose an AED that is “right” for your organization or company.

AED legislation

Legislation related to AED use and implementation in King County.

AED training

In accordance with Washington state law, AED users should receive reasonable instruction in defibrillator use and CPR.