What is the most common cause of sudden cardiac death?

What is the most common cause of sudden cardiac death? Sudden cardiac arrest (also called sudden cardiac death) is the leading cause of natural, non-accidental death in the U.S., claiming well over 300,000 lives each year. As its name implies, sudden cardiac death occurs when the heart abruptly stops functioning the way it’s supposed to, typically triggering unconsciousness and loss of breathing, followed by death. Even when death does not occur, the sudden loss of oxygenated blood can cause brain damage in just a few minutes. Sudden cardiac death occurs most often when the electrical impulses inside the heart are interrupted. Normally, these impulses help the heart beat regularly and predictably.…