extrasystole

extrasystole is a topic covered in the Taber's Medical Dictionary.

To view the entire topic, please or .

Nursing Central is an award-winning, complete mobile solution for nurses and students. Look up information on diseases, tests, and procedures; then consult the database with 5,000+ drugs or refer to 65,000+ dictionary terms. Explore these free sample topics:

-- The first section of this topic is shown below --

(ĕks″tră-sĭs′tō-lē)

To hear audio pronunciation of this topic, purchase a subscription or log in.

[″ + Gr. systole, contraction]
Premature contraction of the heart. It may occur in the presence or absence of organic heart disease. It may be of reflex origin or may be triggered by stimulants, e.g., caffeine, cocaine, or theophylline, hypoxia, psychological stress, electrolyte abnormalities, thyroid disorders, or myocardial infarction.

-- To view the remaining sections of this topic, please or --

(ĕks″tră-sĭs′tō-lē)

To hear audio pronunciation of this topic, purchase a subscription or log in.

[″ + Gr. systole, contraction]
Premature contraction of the heart. It may occur in the presence or absence of organic heart disease. It may be of reflex origin or may be triggered by stimulants, e.g., caffeine, cocaine, or theophylline, hypoxia, psychological stress, electrolyte abnormalities, thyroid disorders, or myocardial infarction.

There's more to see -- the rest of this entry is available only to subscribers.