atrioventricular
adjective
atrio·ven·tric·u·lar ˌā-trē-ō-ven-ˈtri-kyə-lər 
-vən-
: of, relating to, or located between an atrium and ventricle of the heart
Example Sentences
Recent Examples on the Web 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
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
Phrases Containing atrioventricular
Medical Definition
atrioventricular
adjective
atrio·ven·tric·u·lar ˌā-trē-(ˌ)ō-ˌven-ˈtrik-yə-lər
1
: of, relating to, or situated between an atrium and ventricle
2
: of, involving, or being the atrioventricular node