Cardiac arrest strikes immediately and without warning.
Here are the signs:
- Sudden loss of responsiveness (no response to tapping on shoulders).
No response to tapping on shoulders.
Does nothing when you ask if he's OK.
If these signs of cardiac arrest are present,
- Yell for help
Tell someone to call 9-1-1 or your emergency response number and get an AED (if one is available).
If you are alone with an adult who has these signs of cardiac arrest, call 9-1-1 and get an AED (if one is available).
- Check breathing:
If the person isn't breathing or is only gasping, give CPR.
- Push hard and Push Fast
Use an AED as soon as it arrives by turning it on and following the prompt.
- Keep pushing until the person starts to breathe or move or someone with more advanced training takes over.
"This content was last reviewed on 07/12/2011."