(FIT)-Module 2 Workshop 3: SVT Mechanisms and Maneuvers-Miles Case 6 Question

Video Transcription

Video Summary

To enhance freedom from AV block during the ablation of an anteroseptal accessory pathway near the His bundle, one can adopt strategies to reduce the risk. These include mapping and ablating during atrial pacing to enhance pre-excitation, and mapping and ablating during ventricular pacing to distinguish AV nodal from accessory pathway conduction. Selecting an ablation site with a larger atrial electrogram or finding an earlier ventricular electrogram beneath the tricuspid annulus can also help. Carefully considering the location with respect to the His catheter position is crucial to avoid unintentional damage.

Keywords

AV block prevention

anteroseptal accessory pathway

His bundle ablation

atrial and ventricular pacing

electrogram mapping