Font Size
A
A
A

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.

Source: MedTerms™ Medical Dictionary
https://www.medicinenet.com/script/main/art.asp?articlekey=5028
Last Editorial Review: 1/24/2017

Medical Dictionary Definitions A - Z

Search Medical Dictionary

Atrial Fibrillation Slideshow


Medical Dictionary