(FIT)-Module 3 Workshop 4: SVT and VT Invasive and Non-Invasive Correlation-Marchlinski Case 1 Answer

Video Transcription

Video Summary

The transcript discusses the interpretation of electrophysiological signals during coronary sinus and superior vena cava (SVC) pacing. It highlights that high-frequency signals, initially thought to be from the right superior pulmonary vein, actually originate from the SVC. The signals coincide with SVC pacing spikes, indicating far-field effects rather than local activation within the pulmonary vein. Consequently, this suggests there are no reconnected pulmonary veins requiring further ablation. The signals confirm far-field origin from the SVC, with no conduction into the pulmonary vein solely via coronary sinus pacing, and the pulmonary vein exit block is unconfirmed.

Keywords

electrophysiological signals

coronary sinus pacing

superior vena cava pacing

pulmonary vein isolation

far-field signals