The atrioventricular node (AVN) has mystified generations of ... providing further insight into basic mechanisms involved in AV conduction. Additionally, procurement of explanted human hearts ...

and conduction could be delivered within this region altering AVJ pacemaker properties, possibly allowing it to drive conduction in the absence of a functioning SA nodal pacemaker. The role of the ...

A premature atrial contraction (PAC) occurs when a focus in the atrium (not the SA node), generates an action potential before the next scheduled SA node action potential. When this occurs prior ...