tachycardia
noun
tachy·car·dia
ˌta-ki-ˈkär-dē-ə 
: relatively rapid heart action whether physiological (as after exercise) or pathological compare bradycardia
Examples of tachycardia in a Sentence
Recent Examples on the Web
After undergoing testing, doctors discovered that Rubie has a rare genetic heart rhythm condition known as catecholaminergic polymorphic ventricular tachycardia (CPVT), which can cause fainting, seizures and sudden cardiac arrest in otherwise healthy people, according to the Cleveland Clinic.
—
Vanessa Etienne, PEOPLE, 8 May 2026
Initial withdrawal symptoms include rising blood pressure, tachycardia, agitation and nausea/vomiting, gradually leading to severe hypertension, altered mental status, and possible cardiac or neurologic complications, per the alert.
—Melissa Rudy, FOXNews.com, 2 Apr. 2026
Ventricular tachycardia is a super-fast heartbeat triggered when an electrical wave short-circuits in the organ’s bottom chambers, the ventricles, and prevents them from pumping blood out to the body.
—ABC News, 1 Apr. 2026
In 2022, Brendon was rushed to the hospital for tachycardia, a condition that makes the heart beat abnormally fast.
—Kierra Frazier, CBS News, 21 Mar. 2026
See All Example Sentences for tachycardia
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Vanessa Etienne, PEOPLE, 8 May 2026
Initial withdrawal symptoms include rising blood pressure, tachycardia, agitation and nausea/vomiting, gradually leading to severe hypertension, altered mental status, and possible cardiac or neurologic complications, per the alert.
—Melissa Rudy, FOXNews.com, 2 Apr. 2026
Ventricular tachycardia is a super-fast heartbeat triggered when an electrical wave short-circuits in the organ’s bottom chambers, the ventricles, and prevents them from pumping blood out to the body.
—ABC News, 1 Apr. 2026
In 2022, Brendon was rushed to the hospital for tachycardia, a condition that makes the heart beat abnormally fast.
—Kierra Frazier, CBS News, 21 Mar. 2026
See All Example Sentences for tachycardia
Cite this Entry
“Tachycardia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tachycardia. Accessed 19 May. 2026.
Copy CitationMedical Definition
tachycardia
noun
tachy·car·dia
ˌtak-i-ˈkärd-ē-ə
: relatively rapid heart action whether physiological (as after exercise) or pathological see junctional tachycardia, paroxysmal tachycardia, sinus tachycardia, ventricular tachycardia compare bradycardia
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