Definition of Extrasystole

1. Noun. A premature systole resulting in a momentary cardiac arrhythmia.

Generic synonyms: Systole



Definition of Extrasystole

1. Noun. (medicine) A premature contraction of the heart, producing an interruption or irregularity in heartbeat rhythm, associated with heart disease or the use of some pharmaceuticals. ¹

¹ Source: wiktionary.com

Definition of Extrasystole

1. [n -S]

Medical Definition of Extrasystole

1. A premature contraction of the heart that is independent of the normal rhythm and arises in response to an impulse in some part of the heart other than the sinoatrial node. Synonym: premature beat. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Extrasystole Pictures

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Lexicographical Neighbors of Extrasystole

extrasocietal
extrasolar
extrasolar planet
extrasolar planets
extrasomatic
extraspecial
extraspectral
extrastaminal
extrastapedial
extrastatutory
extrastriatal
extrastriate
extrasyllabic
extrasyllabicity
extrasynaptic
extrasystole (current term)
extrasystoles
extrasystolia
extrasystolias
extrasystolic
extratarsal
extratemporal
extraterrestrial
extraterrestrial being
extraterrestrial environment
extraterrestrial object
extraterrestrially
extraterrestrials
extraterritorial
extraterritoriality

Literary usage of Extrasystole

Below you will find example usage of this term as found in modern and/or classical literature:

1. Diseases of the chest and the principles of physical diagnosis by George William Norris, Henry Robert Murray Landis (1917)
"extrasystole Under normal conditions ventricular contractions are due to stimuli ... The sound produced by an extrasystole is less intense than the normal ..."

2. The Soldier's heart and the effort syndrome by Thomas Lewis (1920)
"The one is extrasystole, the other is a respiratory arrhythmia. extrasystole.—The extrasystole generally betrays itself by producing intermittence of the ..."

3. A Handbook of Medical Diagnosis: For the Use of Practitioners and Students by James Cornelius Wilson (1915)
"VENTRICULAR extrasystole.—The origin of the extrasystole is assumed to be in the ... It is characteristic of the ventricular extrasystole that the ..."

4. Wisconsin Medical Journal by State Medical Society of Wisconsin (1908)
"The source of the extrasystole is indicated by the venous pulse-tracing. ... Three factors are concerned, the force of the extrasystole contraction, ..."

5. Arteriosclerosis and Hypertension: With Chapters on Blood Pressure by Louis Marshall Warfield (1920)
"... systoles have more or less marked arteriosclerosis, there are other states in which no arteriosclerosis is found where the extrasystole is present. ..."

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