You Should Go and help her out and check if shes ok and if she is having trouble, You should call 911 to fast help her up and you would probable save a life if you helped you would feel good about your self
Starting by know the 5 links, these links are:
Recognition.
Activation of the emergency response system.
Immediate high-quality CPR.
Rapid defibrillation.
Advanced live support and post-arrest care.
From these 5 links, you can see that the prevention of typical causes of cardiac arrest is not here.
Thus, making Prevention of the typical causes of cardiac arrest your answer to this question.
Hope this helps :)))
Digestion of food, absorption of nutrients, and elimination of solid food waste.