According to the American Heart Association (AHA), a person’s chances of surviving cardiac arrest decreases by 10% for every minute of delay in starting CPR. This means that it’s crucial to know not only what happens during CPR, but also how to properly administer it, as well as the warning signs of when CPR might be needed.
This minute-by-minute guide explains exactly what happens during CPR and how the body is affected in the first few minutes after experiencing cardiac arrest.