CST – Computer Simulation Technology

Depth and Rate of the Save
Maximilian Hofmann, Jan-Christoph Edelmann, Robert Weigel, Georg Fischer, Dietmar Kissinger
IEEE Microwave Magazine
Volume: 13, Issue: 7, December 2012
14 - 21
cardiac arrest, depth, rate of the save, SCA,
Sudden cardiac arrest (SCA) is one of the leading causes of death worldwide [1]. Studies have shown that roughly 90% of all patients suffering from SCAs die due to ventricular fibrillation. This phenomenon is best described as an electrical chaos in the myocardium leading to fast but at the same time very short movements of the muscle. This results in a total collapse of the blood circulation and after 3–5 min, the death of gray matter. Without any external help, this will lead to death. In the United States, for instance, 325,000 people are affected each year [1]. It is indisputable that the quality of a cardiopulmonary resuscitation (CPR) can make the difference between life and death. In 2010, the European Resuscitation Council (ERC) as well as the American Heart Association (AHA) submitted official guidelines for resuscitation [2]. According to the ERC and further research results, the basic life support can be significantly improved by a feedback system. The recommendation for CPR feedback systems has subsequently been adopted by the German Medical Association (GMA). A CPR feedback system gives a response to the first aider about the quality of the resuscitation (compression depth and rate) [2].

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