Check out this great video
Junior Jack - our 'mini instructor' out checking AED's and giving instruction on how to access them in an emergency.
Really straightforward and simple to use. The machine makes the decisions and informs you what to do. You cannot harm the casualty.
AEDs identify what is electrically wrong with the heart and provide an opportunity for it to be corrected.
Combined with bystander CPR, AEDs improve the outcome from Sudden Cardiac Arrest significantly.