Someone suspects or determines the victim is in sudden cardiac arrest and calls 911 for help. Early CPR . Someone trained in cardiopulmonary resuscitation keeps the victim's blood flowing until defibrillation can begin. Early defibrillation . Early advanced care .
Medical personnel provide advanced cardiac care in the ambulance and at the hospital.
See a heart rhythm specialist . It's used when someone stops breathing or his or her heart stops. Anyone can learn to perform this simple procedure. CPR can increase a sudden cardiac arrest victim's chance of survival, if it's begun before defibrillation. It has a built-in computer that analyzes the victim's heart rhythm and determines if it requires a shock.