(FIT)-Module 2 Workshop 3: SVT Mechanisms and Maneuvers-Miles Case 7 Answer

Video Transcription

Video Summary

The video discusses accessory pathway ablation in patients experiencing AV reciprocating tachycardia that degenerates into atrial fibrillation (AF). It highlights that in young patients with normal hearts, AF is typically triggered by AV reentry using a left free wall accessory pathway and can be managed with pathway ablation alone. However, older patients with atrial dilation or higher AF risk might require combined ablation with pulmonary vein isolation. Mechanisms include hemodynamic factors or localized re-entry around the pathway, leading to rapid and potentially dangerous heart rates if untreated.

Keywords

Accessory pathway ablation

AV reciprocating tachycardia

Atrial fibrillation

Pulmonary vein isolation

Left free wall accessory pathway