atrioventricular

adjective

atrio·​ven·​tric·​u·​lar ˌā-trē-ō-ven-ˈtri-kyə-lər How to pronounce atrioventricular (audio)
-vən-
: of, relating to, or located between an atrium and ventricle of the heart

Examples of atrioventricular 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.
The electrical impulse travels to an area called the atrioventricular (AV) node, located between the upper and lower chambers. Angela Ryan Lee, Verywell Health, 25 Sep. 2024 There, he was diagnosed with third degree atrioventricular block, hypertension, and depression. Cheri Lucas Rowlands, Longreads, 25 July 2024 The atrioventricular, or AV, node is the second key area of the heart’s electrical wiring. Virginia Singla, Discover Magazine, 15 Dec. 2023 Abnormally fast or slow heartbeats emanating from atria of the heart Acquired atrioventricular block: Abnormal heart rhythms when the electricity generated in the atrium is not able to conduct down to the ventricles. Jennifer Whitlock, Rn, Msn, Fn, Verywell Health, 24 Oct. 2023 For one, a major electrical relay in the heart, the atrioventricular junction, can only fire about every 0.2 seconds, capping heart rate at about 300 beats per minute. Matt Hrodey, Discover Magazine, 5 Apr. 2023 But Decker was born with congenital heart defects — specifically, an atrioventricular septal defect and pulmonary stenosis. David Begnaud, CBS News, 1 Sep. 2022 Selah had a hole in her heart (complete atrioventricular canal defect) that was diagnosed before she was born. Sarah Schreiber, Good Housekeeping, 27 Oct. 2016 Sadie was born with complete atrioventricular canal defect —a large hole in the center of the heart —on Nov. 11, 2014, and underwent a pair of surgeries to repair the defect, Lee’or tells PEOPLE. Char Adams, PEOPLE.com, 10 Apr. 2018

Word History

Etymology

New Latin atrium + English ventricular

First Known Use

1854, in the meaning defined above

Time Traveler
The first known use of atrioventricular was in 1854

Dictionary Entries Near atrioventricular

Cite this Entry

“Atrioventricular.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/atrioventricular. Accessed 22 Nov. 2024.

Medical Definition

atrioventricular

adjective
atrio·​ven·​tric·​u·​lar ˌā-trē-(ˌ)ō-ˌven-ˈtrik-yə-lər How to pronounce atrioventricular (audio)
1
: of, relating to, or situated between an atrium and ventricle
2
: of, involving, or being the atrioventricular node
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!