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SCA strikes about 42 men, women and children ever hour in the US. <br />Its not a heart attack. Its an electrical malfunction in the heart causing an abnormal <br />rhythm. <br />Heart attack is a problem with the plumbing of the heart resulting in ineffective <br />blood supply. This will cause you pain and symptoms. <br />A severe heart attack can lead to SCA but most of the time they are separate events <br />Reference: Sudden Cardiac Arrest Foundation <br />21