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Sudden Cardiac Arrest (SCA) claims the life of about 295,000 people every year (American Heart Association, 2012). SCA is a leading cause of death among adults over 40 and it can also affect the under 40 population. More people die each year from SCA than from colorectal cancer, breast cancer, prostate cancer, auto accidents, AIDS, firearms and house fires combined (Sudden Cardiac Arrest Foundation). Early cardiopulmonary resuscitation (CPR) can effectively treat individuals suffering SCA. By using an automated external defibrillator (AED) prior to medical personnel arriving survival rates can further increase. (American Heart Association, 2012).
An AED is a light weight portable device that analyzes and checks for an electrical disturbance. When appropriate an AED shocks the heart back into a functional rhythm. AEDs are geared for use by non-medical persons. AEDs talk the rescuer through the process of placing the pads of the device on the patient, analyzing the electrical activity and direct the rescuer to push the shock button, if indicated. The shock defibrillates the victim's heart back into a normal heartbeat. AEDs are found throughout our community at gyms, schools, malls, airports, office complexes and many other public places. AEDs continue to be a safe and effective method for increasing the survival rate of victims of SCA.
Early CPR and rapid defibrillation (using an AED) combined with early advanced emergency care can produce high survival rates for victims of witnessed cardiac arrest. Advanced care in the form of the local Emergency Medical Services is initiated by calling 9-1-1. The paramedics bring the advanced treatment to the patient's side; essentially bringing the Emergency Department to you. In some cities with public access defibrillation or "community AED programs," when bystanders provide immediate CPR and defibrillation within 3 to 5 minutes of a witnessed cardiac arrest, the reported survival rates are as high as 48 to 74 percent in these settings. (American Heart Association, 2012)
Causes of SCA include a variety of electrical conduction abnormalities in the heart. SCA is not the same as a heart attack, but a heart attack can lead to SCA. A heart attack is caused by a blockage in one of the blood vessels in the heart. Many, but not all victims of SCA have had some type of heart disease, such as congestive heart failure and/or a prior heart attack. SCA occurs when the electrical problem causes failure of the heart to pump effectively or not pump at all. The most common electrical problem or arrhythmia in cardiac arrest is ventricular fibrillation. Immediate treatment increases the chance of survival. This immediate treatment includes early CPR and early defibrillation. Without the early intervention SCA will lead to death (Sudden Cardiac Arrest Foundation).
Presentation of SCA
Presentation of a heart attack
The Centers for Disease Control and Prevention (CDC) and the Department of Emergency Medicine at the Emory University School of Medicine established the Cardiac Arrest Registry to Enhance Survival (CARES) in 2004. The CARES Registry has over 30,000 victims of SCA in its registry from October 1, 2005 to December 31, 2010. The CARES Registry reports only a 9.6% survival rate. The highest out of hospital survival rates are seen in recreational/sport facilities, airports, physician offices, educational institutions and public buildings. The lowest survival rates are seen in nursing home/assisted living facilities, home/residence and residence/institutions. (Centers for Disease Control and Prevention, 2011) The American Heart Association (AHA) reports that 88% of the SCA that occur outside the hospital happen at home (Lifesaver Education, 2012). By initiating CPR, you can make the difference between life and death for someone suffering from SCA by acting quickly. With more people trained to act quickly the rate of survival would increase.
By recognizing the presentation of SCA and learning CPR you can help increase the survival rate of victims of SCA.
After you receive CPR training you are ready to act fast to help a person who is experiencing SCA. When someone suddenly collapses you can jump into action:
So, who is at risk? The following represents people who are at risk for SCA. (Heart Rhythm Society)
Remember saving victims from sudden death due to SCA depends on immediate bystander intervention. You can help prevent sudden death!
Victims of Sudden Cardiac Arrest come from all walks of life.
To see if you or a loved one is at risk of sudden cardiac arrest or heart disease follow the links below:
It is up to you to take action:
Last Updated: 2/11/2014