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What are symptoms of sudden cardiac arrest?

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Some people may have a racing heartbeat or feel dizzy to alert them that a potentially dangerous heart rhythm problem has started. But over half of the time, sudden cardiac arrest happens without earlier symptoms.

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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Who is at risk for sudden cardiac arrest?

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