The underrecognized and neglected compact atrioventricular nodal potential: clinical significance for preventing atrioventricular block during so-called slow pathway radiofrequency ablation.
Chengye DiQun WangYanxi WuLonglu LiWenhua LinPublished in: Journal of interventional cardiac electrophysiology : an international journal of arrhythmias and pacing (2023)
The low-amplitude, low-frequency hump-shaped atrial potential recorded at the so-called SP region may reflect the electrogram of compact AVN activation, and RF ablation to this site heralds impending AVB even when a His-bundle potential is not recorded.