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What is a signal-averaged electrocardiogram (EKG)?

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A signal-averaged electrocardiogram (EKG) is a painless test used to see how likely a potentially life-threatening heart arrhythmia might be.

SOURCE: American Heart Association.

Reviewed by James Beckerman on February 04, 2019

SOURCE: American Heart Association.

Reviewed by James Beckerman on February 04, 2019

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What can cause pericarditis?

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