(FIT)-Module 3 Workshop 5: Invasive and Non-Invasive Correlation-Stevenson Case 8 Answer

Video Transcription

Video Summary

The video discusses the anatomical isthmuses in the heart that can lead to ventricular tachycardia (VT) in patients with repaired tetralogy of Fallot. These isthmuses form between areas such as the pulmonic valve, septal patch, tricuspid valve, and ventricular free wall. Isthmus three, located between the pulmonary valve and septal patch, is the most common and can result in different VT configurations depending on the direction of electrical impulse exit. These complexities in VT origin are illustrated through activation and voltage mapping of the heart, highlighting the potential need for outflow tract ablation.

Keywords

anatomical isthmuses

ventricular tachycardia

repaired tetralogy of Fallot

activation and voltage mapping

outflow tract ablation