Definition of "atrioventricular" []

• Of, relating to, or involving the atria and the ventricles of the heart. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Normally, the impulse travels first through the atria and then through a connecting pathway between the upper and lower chambers of your heart called the atrioventricular (AV) node."
• "She suffers from a congenital condition known as atrioventricular septal defect (AVSD) - a complex hole between the right and left sides of her heart, compounded by a drastically undersized left ventricle - the chamber that pumps fresh, oxygenated blood from her lungs to the rest of her body."
• "Jamie Goodier was diagnosed with life-threatening abnormality called atrioventricular septal defect."