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.Source: MedTerms™ Medical Dictionary
Last Editorial Review: 3/19/2012
Medical Dictionary Definitions A - Z
Search Medical Dictionary
eMedicineHealth Top News
Get the latest treatment options.