Purpose

An AED checks the heart rhythm and may deliver a shock for some causes of cardiac arrest. Early defibrillation, combined with CPR, improves survival.

How to Use an AED

Step Action
1 Turn the AED on and follow the prompts
2 Expose the chest and remove moisture or excess hair if needed
3 Place pads as shown on the diagrams
4 Keep everyone clear during analysis and shock
5 Resume CPR immediately when instructed

Children and Infants

Use paediatric pads or a paediatric setting if available. If they are not available, use the standard AED and follow the prompts, ensuring pads do not touch each other.

Safety

Do not touch the casualty during rhythm analysis or shock delivery. Make sure oxygen, water and bystanders are clear of the casualty before pressing the shock button.

Maintenance

Workplaces should check AED readiness according to the manufacturer and local procedure. Confirm that pads are in date, the battery is ready and the status indicator shows the device is available.

Last updated: 11/07/2026