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. 2024 Mar 12;40(3):636-638.
doi: 10.1002/joa3.13022. eCollection 2024 Jun.

Ablation of ventricular tachycardia after septal myectomy for hypertrophic cardiomyopathy

Abdullah Orhan Demirtas  1 , Sheldon M Singh  2
Affiliations

Ablation of ventricular tachycardia after septal myectomy for hypertrophic cardiomyopathy

Abdullah Orhan Demirtas et al. J Arrhythm. .

Abstract

Electrocardiography and 3D mapping images of the case.

Keywords: catheter ablation; hypertrophic cardiomyopathy; implantable cardioverter implantation; septal myectomy; ventricular tachycardia.

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Conflict of interest statement

Authors declare no conflict of interests for this article.

Figures

FIGURE 1
FIGURE 1
(A) Twelve lead of ventricular tachycardia. (B) Scarring noted in the basal septal LV region (red color corresponds to voltage <0.5 mV which is dense scar; whereas colors that are pink correspond to normal voltage >1.5 mV). The area with patchy scar in left ventricle anterior outflow tract area was noted to be earliest during VT and also had the pace map site. (C) Local electrogram during pacing at the site of successful ablation demonstrating a low amplitude fractionated late signal (left). Electrograms at the earliest site during ventricular tachycardia (right).
See this image and copyright information in PMC

References

    1. Ommen SR, Maron BJ, Olivotto I, Maron MS, Cecchi F, Betocchi S, et al. Long‐term effects of surgical septal myectomy in patients with obstructive hypertrophic cardiomyopathy. J Am Coll Cardiol. 2005;46:470–476. - PubMed
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