Abstract
A 55-year-old man with arrhythmogenic right ventricular cardiomyopathy underwent catheter ablation of ventricular tachycardia (VT) with left bundle branch block and left superior axis QRS morphology with an early precordial transition. Endocardial mapping during the VT revealed a focal activation pattern from a small region of low voltage in the left ventricular (LV) septum. Despite earliest endocardial activation in the LV septum, epicardial mapping demonstrated a macro-reentrant circuit with successful catheter ablation at an inferior peritricuspid annular site. Activation from the reentrant circuit propagated through the scar area in the epicardial right ventricle to the remote endocardial LV breakout site.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 692-695 |
| Number of pages | 4 |
| Journal | Journal of Cardiovascular Electrophysiology |
| Volume | 20 |
| Issue number | 6 |
| DOIs | |
| State | Published - Jun 2009 |
| Externally published | Yes |
Keywords
- Arrhythmogenic right ventricular cardiomyopathy
- Epicardial
- Radiofrequency catheter ablation
- Reentrant
- Ventricular tachycardia
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