Final answer:
The NOT reason to stop CPR is when an AED is ready to use.
Step-by-step explanation:
The NOT reason to stop CPR is option OC. An AED (Automated External Defibrillator) being ready to use is actually a reason to continue CPR. CPR should only be stopped in specific situations such as when the person starts breathing on their own, there are signs of life, or a trained rescuer arrives on the scene. It is important to never stop CPR if an AED is available as it can increase the person's chances of survival.
Learn more about CPR and AED