Premature contraction of the heart

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Medical Definition of Premature contraction of the heart

Premature contraction of the heart: A single heartbeat that occurs earlier than normal. This phenomenon can be within normal limits, or it may represent a medically significant arrhythmia.


Quick GuideHeart Disease: Causes of a Heart Attack

Heart Disease: Causes of a Heart Attack

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Reviewed on 1/24/2017

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