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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

Etymology

Origin of tachycardia

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

Vocabulary lists containing tachycardia

"Against Nature," Vocabulary from the argument

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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.

A complex condition, heart failure can have diverse triggers, including a past heart attack, viral infection or chronic arrhythmias such as ventricular tachycardia.

From Science Daily • Nov. 28, 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

Researchers will target a condition known as postural orthostatic tachycardia syndrome, or POTS, that is marked by irregular heartbeat, dizziness and fatigue.

From Washington Times • Jul. 31, 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

These cases seem to be physiological analogues of tachycardia.

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

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.