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Identify the etiology of cardiac arrest. Review the epidemiology of cardiac arrest. Summarize the use of basic life support and advanced life support in the management of cardiac arrest.
Sudden cardiac arrest (SCA) and sudden cardiac death (SCD) refer to the sudden cessation of cardiac activity with hemodynamic collapse, typically due to sustained ventricular tachycardia/ventricular fibrillation.
Sudden cardiac arrest (SCA) is the sudden loss of all heart activity due to an irregular heart rhythm. Breathing stops. The person becomes unconscious. Without immediate treatment, sudden cardiac arrest can lead to death.
It is also known as cardiac arrest or circulatory arrest. In adults, it is most likely to be caused by a primary cardiac event. The most common electrical mechanism which is responsible for 50 to 80% of cardiopulmonary arrest is ventricular fibrillation (VF).
During cardiac arrest (cardiopulmonary arrest), your heart isn’t pumping blood anymore. Within minutes, this puts your organs and whole body at risk of death because they must constantly receive oxygen.
Cardiac arrest stops blood from flowing to vital organs, depriving them of oxygen, and, if left untreated, results in death. Sudden cardiac arrest is the unexpected cessation of circulation within a short period of symptom onset (often without warning).
Sudden cardiac arrest (SCA) is an important public health challenge. Despite a dramatic decrease in the age-adjusted risk of sudden cardiac death, the cumulative number of fatal SCA cases in the United States remains large.