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, and ...

In patients with atrioventricular septal defect (AVSD), the occurrence of nonsurgical AV block has been reported. We have looked for an explanation in the development of the AV conduction system.

The study found significant improvements in both the 6-minute hallway walk test and ejection fraction (EF) in patients receiving a BVP device (also referred to as cardiac resynchronization therapy ...