The reason being is that if the victim is indeed suffering from SCA and the AED recognizes and shocks the heart into a normal rhythm, thereby establishing oxygenated blood pumping throughout the body, the victim would have a higher probability of making a full recovery. A person who has AED intervention with CPR will have greater chances of survival than someone without AED intervention with or without a bystander performing chest compressions. The difference between CPR with AED intervention and just CPR without is that an automated external defibrillator can detect SCA and provide the necessary electric shock needed to terminate it. AEDs will analyze the patient’s cardiac rhythms and if it detects that there is abnormal electrical activity, AEDs can provide a shock of electricity sufficient enough to terminate SCA.
#AED STANDS FOR HOW TO#
An untrained bystander can be told how to perform chest compressions by placing the heel of one hand at the center of a victim’s breastbone and then with two hands do five quick presses followed by thirty-second pauses for breaths (two sets each).ĭefibrillation: AEDs are designed to detect a heart rhythm that needs an electric shock in order to return the heart to a normal rhythm. In this situation, it is imperative that CPR is started immediately. Symptoms: When there is an interruption in blood flow because of SCA, this will lead to hypoxia (lack of oxygen). A sudden burst of electricity in the heart can also cause SCA, but it usually only occurs when someone has been exposed to lethal amounts of electric current. SCA can be caused by various factors such as coronary artery disease injury and viral or bacterial infection. The victim will lose consciousness after a few seconds or minutes and they will stop breathing normally, if at all. A person who has SCA is not able to take in enough oxygen and the blood does not circulate throughout the body. AED’s can present more than one set of electrodes so do not remove or reposition them! You will want to reset the device after use before analysis again by the device.ĭefinition of Sudden Cardiac Arrest (SCA).AEDs should never replace actual life-saving care by professionals but it does offer many benefits such as decreased time to defibrillation and increased survival rates from SCA when in public places where AED access is well distributed among first responders.AEDs may also have an alarm system that alerts others if sudden SCA is detected.AEDs are not designed to be used for a complete shock, only as a backup in conjunction with CPR which consists of continued compression on the victim’s chest and breathing air into their lungs. The electrodes pads must make contact with skin, usually around the victim’s torso near the anterior chest area. More access to AED’s in public places for all first responders has a direct correlation to increased survival rates.ĪEDs have three main components: electrode pads, power source (i.e., battery), and electronics system (i.e., computer). AEDs are not used independently from CPR but rather in conjunction with the technique to save the victim’s life. The early compressions to a person’s chest are often done by pushing on the chest at a rate of 100 times per minute, with depth that is enough to break up the obstruction in their airway.ĪED stands for Automated External Defibrillator, this device can detect SCA by using an electric shock should it occur. CPRĬPR stands for cardiopulmonary resuscitation which is a lifesaving technique to help keep someone’s heart beating and therefore circulating oxygen throughout the body during a sudden cardiac event. To better understand this post we will give some key terminology definitions. This blog post outlines how AED’s are used in conjunction with and not independent from CPR to save the life of victims of sudden cardiac arrest.
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