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How is sudden cardiac arrest different from a heart attack?

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Sudden cardiac arrest isn't a heart attack (myocardial infarction), but it can happen during one.

A heart attack is when a blocked artery prevents the heart from getting enough oxygen-rich blood, and the heart is damaged.

Sudden cardiac arrest is when the heart's electrical system gets off suddenly, and the heart beats dangerously fast. In the first few minutes, the big concern is that you won't have enough blood flow to your brain and you'll lose consciousness. Death follows unless you get emergency treatment right away.

SOURCE: 

The American Heart Association.  

Reviewed by James Beckerman on June 1, 2018

SOURCE: 

The American Heart Association.  

Reviewed by James Beckerman on June 1, 2018

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What can you do for sudden cardiac arrest?

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