Call 911 if:
- The person may be having sudden cardiac arrest.
1. Check Responsiveness
- For an adult or older child, shout and shake the person to confirm consciousness. Do not use AED on a conscious person.
- Check breathing and pulse. If absent or irregular, prepare to use AED as soon as possible.
2. Prepare to Use AED
3. Use AED
For newborns, infants, and children up to age 8, use a pediatric AED, if possible. If not, use an adult AED.
- Turn on the AED.
- Wipe chest dry.
- Attach pads.
- Plug in connector, if necessary.
- Make sure no one is touching the person.
- Push “Analyze” button.
- If a shock is advised, check again to make sure no one is touching the person.
- Push “Shock” button.
- Start or resume chest compressions.
- For an adult, see The Importance of CPR for information about giving CPR.
- For a child, see CPR for Children.
- Follow AED prompts.
4. Continue CPR After Using AED
- After 2 minutes of CPR, check the person’s heart rhythm. If it’s still absent or irregular, give another shock.
- If a shock isn’t needed, continue CPR until emergency help arrives or the person begins to move.
- Stay with the person until help arrives.