What is a signal-averaged electrocardiogram (EKG)?
ANSWER
A signal-averaged electrocardiogram (EKG) is a painless test used to see how likely a potentially life-threatening heart arrhythmia might be.
From: Heart Disease, Electrocardiogram, and Specialized EKGs WebMD Medical Reference
Reviewed by James Beckerman on February 04, 2019
SOURCE: American Heart Association.
SOURCE: American Heart Association.
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