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  • Sudden cardiac arrest is an electrical disturbance in the heart that disrupts the heart’s pumping and stops blood flow to the body.
  • The most common arrhythmia at the time of cardiac arrest is ventricular fibrillation, where the lower chambers of the heart quiver erratically instead of pump blood.
  • There are many conditions that can lead to sudden cardiac arrest such as coronary artery disease, heart attack, cardiomyopathy, valvular heart disease, congenital heart disease, and primary heart rhythm abnormalities (www.mayoclinic.org).
  • Some people who suffer from sudden cardiac arrest have no previous conditions and a cause is never found.