Introduction Sudden cardiac arrest (SCA) is an unexpected loss of heart function, breathing and consciousness. When SCA occurs, blood stops flowing to the brain, heart and the rest of the body. SCA happens without warning and requires immediate emergency treatment. According to the American Heart Association (AHA), SCA affects more than 1000 non-hospital patients each day in the United States and only 10 percent of these individuals survive. With fast, appropriate medical care, survival is possible. When bystanders provide cardiopulmonary resuscitation (CPR) and use an automated external defibrillator (AED) before emergency personnel arrive, approximately 40 percent of victims survive. Unfortunately, only […]