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extrasystole

American  
[ek-struh-sis-tuh-lee] / ˌɛk strəˈsɪs tə li /

noun

Pathology.
  1. a premature contraction of the heart, resulting in momentary interruption of the normal heartbeat.


Other Word Forms

Etymology

Origin of extrasystole

From New Latin, dating back to 1895–1900; see origin at extra-, systole

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Note that diastolic pause in which extrasystole occurs is practically equal to two normal diastolic pauses.

From Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. by Louis Marshall Warfield

While many cases showing pathologic causes for extrasystoles have more or less marked arteriosclerosis, there are other states in which no arteriosclerosis is found where the extrasystole is present.

From Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. by Louis Marshall Warfield

If there is auricular extrasystole it can not usually be recognized except by graphic methods.

From Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. by Louis Marshall Warfield

When irregular there is apt to be extrasystole of ventricle or occasional blocking of impulse going to ventricle.

From Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. by Louis Marshall Warfield

Provided there is no evidence of gross myocardial lesion, the extrasystole itself is of no great significance.

From Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. by Louis Marshall Warfield

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