Definition: The term "auriculoventricular" is typically used to describe a condition in which two ventricles (the two main chambers of the heart) are connected by an auricular (or ventral) artery. This connection allows for the exchange of blood between the left and right ventricles, facilitating blood flow from the left side to the right side of the body. In some cases, this condition may be associated with a condition called atrioventricular block, which is characterized by a