tachy·​car·​dia | \ ˌta-ki-ˈkär-dē-ə How to pronounce tachycardia (audio) \

Definition of tachycardia

: relatively rapid heart action whether physiological (as after exercise) or pathological — compare bradycardia

Examples of tachycardia in a Sentence

Recent Examples on the Web

Back in 2011, Mills' health journey began when she was diagnosed at the age of 19 with rare illness postural orthostatic tachycardia syndrome, which compromised her autonomic nervous system and left her with chronic fatigue and digestive issues. Lauren Valenti, Vogue, "A Beginner's Guide to Plant-Based Eating With Deliciously Ella," 15 Sep. 2018 Moriah has postural orthostatic tachycardia syndrome – a chronic condition that causes an irregular heartbeat, circulatory problems, and in some cases, including hers, chronic fatigue and pain. Philly.com, "Philadelphia weddings: Moriah Benjoseph and Ben Nassau," 13 July 2018 But Hannah suffers from postural tachycardia syndrome (POTS), a chronic disorder of the involuntary nervous system, which regulates things like blood pressure and heart rate. Veronica Webb, The Root, "It’s OK Not to Be OK: 2 Black Teens Use Tech to Prevent Suicide," 10 May 2018 Sinus tachycardia — runs of rapid-fire heartbeats — suggests the vessel has gone from partially blocked to completely blocked. Melissa Healy, latimes.com, "DIY or die: How an Australian outback nurse diagnosed his own heart attack and saved his life," 8 Mar. 2018 Other potential causes of palpitations include paroxysmal supraventricular tachycardia, or PSVT, an extra-fast heart rate that can suddenly come and go, as well as genetic conditions such as Long QT syndrome and Wolff-Parkinson-White syndrome. Emily Sohn, Washington Post, "Everyone has heart palpitations, but for some it can be serious," 7 Mar. 2018 The Medical Examiner's Office said Jones died of sudden cardiac death in association with postural tachycardia syndrome and obesity with amphetamine therapy. Eric Heisig, cleveland.com, "Cleveland Heights will pay $200,000 to family of woman who died in jail," 23 Feb. 2018 Her heart went into ventricular tachycardia, which is a condition in which the lower chambers of the heart (ventricles) beat very quickly. Vagney Bradley, Houston Chronicle, "Association stresses dangers of heart disease," 22 Feb. 2018 Underwood, who has a pre-existing condition called supraventricular tachycardia, which keeps her heart from maintaining a normal rhythm, then went a step further. Charlotte Alter, Time, "A Year Ago, They Marched. Now a Record Number of Women Are Running for Office," 18 Jan. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'tachycardia.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of tachycardia

1889, in the meaning defined above

History and Etymology for tachycardia

New Latin

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Time Traveler for tachycardia

The first known use of tachycardia was in 1889

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More Definitions for tachycardia


tachy·​car·​dia | \ ˌtak-i-ˈkärd-ē-ə How to pronounce tachycardia (audio) \

Medical Definition of tachycardia

: 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

Britannica.com: Encyclopedia article about tachycardia

Comments on tachycardia

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characterized by aphorism

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