Each year in the UK some 60,000 people die, outside hospital, from sudden cardiac arrest (SCA). Approximately 7000 of these deaths occur in Scotland.The only effective therapy for SCA is early defibrillation. Waiting for an ambulance response is not viable; for every minute defibrillation is delayed survival falls by 7 to 10%. Automated external defibrillators (AEDs) are specifically designed to allow non-medically trained people to treat SCA quickly and effectively. AEDs are easy to use, fool-proof and can mean the…