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Sudden Cardiac Arrest

Sudden cardiac arrest (SCA), also called sudden cardiac death, occurs when the heart develops an abnormal rhythm (arrhythmia; e.g., ventricular fibrillation, tachycardia) that causes it to stop beating suddenly. Sudden cardiac death is not the same as a heart attack. Heart attack is characterized by an interruption in blood flow to the heart, causing the death of heart tissue. Although a heart attack can result in cardiac arrest, this condition does not necessarily caus...Read the full article