Epicardial macroreentrant ventricular tachycardia associated with a left ventricular aneurysm

Takumi Yamada; Harish Doppalapudi; H. Thomas McElderry; G. Neal Kay

doi:10.1111/j.1540-8159.2010.02863.x

Epicardial macroreentrant ventricular tachycardia associated with a left ventricular aneurysm

Takumi Yamada, Harish Doppalapudi, H. Thomas McElderry, G. Neal Kay

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

Abstract

A 62-year-old man with severe coronary artery disease and a left ventricular aneurysm underwent catheter ablation of ventricular tachycardia (VT) with right bundle branch block QRS morphology. Endocardial bipolar voltage mapping with standard threshold settings demonstrated no low-voltage areas within the aneurysm. Catheter ablation of the epicardial surface of the aneurysm eliminated the VT. Endocardial bipolar voltage mapping with any other settings could not predict the site of the epicardial arrhythmogenic substrate whereas endocardial unipolar voltage mapping could. Endocardial unipolar voltage mapping may be helpful for predicting epicardial arrhythmogenic substrates.

Original language	English (US)
Pages (from-to)	e13-e16
Journal	PACE - Pacing and Clinical Electrophysiology
Volume	35
Issue number	1
DOIs	https://doi.org/10.1111/j.1540-8159.2010.02863.x
State	Published - Jan 2012
Externally published	Yes

Keywords

epicardial
left ventricular aneurysm
radiofrequency catheter ablation
ventricular tachycardia
voltage

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KW - left ventricular aneurysm

KW - radiofrequency catheter ablation

KW - ventricular tachycardia

KW - voltage

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Epicardial macroreentrant ventricular tachycardia associated with a left ventricular aneurysm

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