tachycardia

noun

tachy·​car·​dia ˌta-ki-ˈkär-dē-ə How to pronounce tachycardia (audio)
: relatively rapid heart action whether physiological (as after exercise) or pathological compare bradycardia

Examples of tachycardia in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Postural orthostatic tachycardia syndrome (POTS) is a form of autonomic dysfunction. Heidi Cope, Health, 6 Nov. 2024 Slow and Fast Heart Rates A child's pulse rate can be normal, fast (tachycardia), or slow (bradycardia). Vincent Iannelli, Parents, 30 July 2024 In 2019, Karina Drury was diagnosed with postural orthostatic tachycardia syndrome, POTS Comments Growing up, Karina Drury would constantly experiences episodes of fainting. Jordan Greene, People.com, 30 Oct. 2024 Long COVID symptoms may flare up, as could those associated with postural orthostatic tachycardia syndrome, or POTS, a blood circulation disorder. Alyssa Hui, Health, 28 Oct. 2024 See all Example Sentences for tachycardia 

Word History

Etymology

New Latin

First Known Use

1889, in the meaning defined above

Time Traveler
The first known use of tachycardia was in 1889

Dictionary Entries Near tachycardia

Cite this Entry

“Tachycardia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tachycardia. Accessed 29 Nov. 2024.

Medical Definition

tachycardia

noun
tachy·​car·​dia ˌtak-i-ˈkärd-ē-ə How to pronounce tachycardia (audio)
: relatively rapid heart action whether physiological (as after exercise) or pathological see junctional tachycardia, paroxysmal tachycardia, sinus tachycardia, ventricular tachycardia compare bradycardia

More from Merriam-Webster on tachycardia

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!