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tachycardia

American  
[tak-i-kahr-dee-uh] / ˌtæk ɪˈkɑr di ə /

noun

Medicine/Medical.
  • tachycardias
    plural
  1. excessively rapid heartbeat.


tachycardia British  
/ ˌtækɪˈkɑːdɪə /

noun

  1. pathol abnormally rapid beating of the heart, esp over 100 beats per minute Compare bradycardia

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Derived Forms

Inflected Forms

Nouns


Etymology

Origin of tachycardia

First recorded in 1885–90; tachy- + -cardia


Vocabulary lists containing tachycardia

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:

Several can detect car crashes or spikes in heart rate as a result of tachycardia, along with such conditions as atrial fibrillation and sleep apnea.

From MarketWatch ● May 28, 2026

In many cases of supraventricular tachycardia, the abnormal heart rhythm is caused by a small short-circuit in the heart's electrical circuitry.

From Science Daily ● Dec. 13, 2023

A couple of days later, graver symptoms started to appear: gastrointestinal issues, tachycardia, panic attacks, and extreme fatigue that kept him sleeping 20 hours a day.

From Salon ● Aug. 27, 2023

She suffers from lupus, postural tachycardia syndrome and chronic anemia, for which she has to be medicated indefinitely.

From Los Angeles Times ● Jul. 15, 2023

For this, or at least for the condition known as essential tachycardia, there is no well-defined cause and no definite pathological lesion.

From Psychotherapy by James J. (James Joseph) Walsh

Even the risk of a specific subset of tachycardias, paroxysmal supraventricular tachycardiaswas elevated up to 6 months after the infection and was five times greater in the first month.

From Science Daily ● Dec. 13, 2023

Paroxysmal tachycardias are certainly caused by these substances, and the conditions of auricular fibrillation and auricular flutter may be found frequently present if such hearts are carefully examined with cardiographic instruments.

From Disturbances of the Heart by Oliver T. (Oliver Thomas) Osborne

Many of the so- called tachycardias are really instances of auricular fibrillation or flutter.

From Disturbances of the Heart by Oliver T. (Oliver Thomas) Osborne

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