Cardiopulmonary Resuscitation (CPR)
Cardiopulmonary Resuscitation (CPR) Definition
Cardiopulmonary resuscitation (CPR) is a procedure performed in an emergency when the heart stops, with the goal of prolonging circulatory and lung function.
The Importance of CPR
Although advances in emergency cardiac care continue to improve the chances of surviving cardiac arrest,
cardiac arrest remains a leading cause of death in many parts of the world.
Each year, almost
350,000 Americans die from heart disease. Half of these will die suddenly,
outside of the hospital, because their heart stops beating.
- The most common cause of death from a
heart attack in
adults is a disturbance in the electrical rhythm of the heart called
- Ventricular fibrillation can be treated, but it requires applying an electrical shock to the chest called defibrillation.
- If a defibrillator is not readily available, brain death will occur in less than 10 minutes.
- One way of buying time until a
defibrillator (AED) becomes available is to provide artificial breathing and circulation by
performing cardiopulmonary resuscitation, or CPR.
- The earlier you give CPR to a person in cardiopulmonary arrest (no breathing, no heartbeat), the greater the chance of a successful resuscitation.
- By performing CPR, the affected individual receives oxygenated blood flowing to the heart and brain until a defibrillator becomes available.
- CPR is one link in what the American Heart Association calls the "chain of
survival." The chain of survival is a series of actions that, when performed in sequence, will give a person having a heart attack the greatest chance of survival.
- The first link in the chain of survival is immediate recognition of cardiac arrest and activation of the emergency response system by calling 911 (check your community plan, some communities require dialing a different number).
The next link in the chain of survival is to perform CPR until a defibrillator becomes available.
- The next link in the chain of survival is to perform early CPR, with an emphasis on chest compressions until a defibrillator becomes available.
- Following early CPR, the next link is to provide rapid defibrillation.
- In many areas of the country, simple, computerized defibrillators, known as automated external defibrillators, or AEDs,
may be available for use by the lay public or first person on the scene.
- Once the EMS unit arrives, the next link in the chain of survival is
advanced life support care. This involves administering medications, using
special breathing devices, and providing additional defibrillation shocks if
NOTE: This reference is only intended to serve as a guideline for learning about CPR.
It is not intended to be a replacement for a formal CPR course. If you are interested in taking a CPR course contact the American Heart Association at (800) AHA-USA1, or the American Red Cross by phoning your local chapter. Never practice CPR on another person, because bodily damage can occur.
Learn CPR for a loved one.
Medically Reviewed by a Doctor on 6/6/2013
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