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tachycardia

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

noun

Medicine/Medical.
  1. excessively rapid heartbeat.


tachycardia British  
/ ˌtækɪˈkɑːdɪˌæk, 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

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.

This is called Supraventricular Tachycardia and doctors explained this could happen after open-heart surgery.

From BBC • Feb. 13, 2026

Some patients develop Postural Orthostatic Tachycardia Syndrome, or POTS, which involves lightheadedness and racing heart rates upon standing up.

From New York Times • Aug. 8, 2021

She had previously been diagnosed with something called POTS, or Postural Orthostatic Tachycardia Syndrome.

From Seattle Times • Jan. 23, 2020

It took more than three years, countless visits to medical specialists, five ineffective medications and one year off school before Blaney learned the name of his condition: Postural Orthostatic Tachycardia Syndrome, or POTS.

From US News • Aug. 1, 2016

Tachycardia is the name applied to a more or less permanent increase in the rate of the heart-beat.

From Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2 "Hearing" to "Helmond" by Various

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