The atrioventricular node (AVN) has mystified generations of investigators over the last century and continues today to be at the epicenter of debates among anatomists, experimentalists ...

Just as in atrial fibrillation, not all of the P waves are able to conduct through the atrioventricular node, and thus the ... circuit around the tricuspid valve annulus and through the cavo ...

Atrioventricular reentrant tachycardia occurs when a reentrant circuit is present outside of the AV node through an abnormal conduction pathway that connects the atrium to the ventricles.