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Early, rapid defibrillation is considered the most important link in the chain of survival. [15] Rapid defibrillation outside of the hospital improves the chances of survival by as much as 30%, and involves using an automated external defibrillator (AED) to shock the patient's heart. [16]
Defibrillation is often an important step in cardiopulmonary resuscitation (CPR). [6] [7] CPR is an algorithm-based intervention aimed to restore cardiac and pulmonary function. [6] Defibrillation is indicated only in certain types of cardiac dysrhythmias, specifically ventricular fibrillation (VF) and pulseless ventricular tachycardia.
The American Heart Association highlights the most important steps of BLS in a "five-link chain of survival." [11] The chain of survival includes early recognition of an ongoing emergency, early initiation of CPR by a bystander, early use of a defibrillator, and early advanced life support once more qualified medical help arrives. Qualified ...
Early defibrillation is effective for the management of ventricular fibrillation and pulseless ventricular tachycardia. [64] Early advanced care. Early post-resuscitation care, which may include percutaneous coronary intervention. [130] If one or more links in the chain are missing or delayed, then the chances of survival drop significantly.
Attempt defibrillation with the automated external defibrillator (AED), because it is easy to use if it has been found. If not, or until it has arrived, attempt CPR maneuvers as the latest step of those possible ones. The reason is that CPR ventilation (rescue breaths) is considered the most important action for those victims.
There are multiple factors during cardiopulmonary resuscitation (CPR) and defibrillation that are associated with success of achieving return of spontaneous circulation. One of the factors in CPR is the chest compression fraction, which is a measure of how much time during cardiac arrest are chest compressions performed.
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[citation needed] The article has historical importance because it served to stimulate pre-hospital emergency cardiac care programs throughout the world. [citation needed] By the early 1970s CPR, defibrillation, and a rapid means to provide prehospital care were all in place.