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Showing results for tachycardia. Search instead for Brachycardia.
Synonyms

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.

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

Ardis has also claimed that people with A-fib can soak their feet in a tobacco leaf tea, and expect their condition, or other heart conditions like tachycardia, to disappear “forever.”

From Salon • Jan. 9, 2026

Others can develop something called POTS, which stands for postural orthostatic tachycardia syndrome, and can cause sharp spikes in the heart rate and dizziness.

From Los Angeles Times • May 25, 2024

A group of nine patients with ventricular tachycardia was evaluated with cardiac MRI before and after radiation treatment, with the MRIs showing improved heart function soon after radiation.

From Science Daily • Nov. 28, 2023

Tremor with tachycardia puts the case beyond doubt, as a rule, though of course it must not be forgotten that hysteria may simulate rather closely this much of the disease.

From Psychotherapy by Walsh, James J. (James Joseph)

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