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Kawakami H, Nagai T, Fujii A, et al. Identifying the true origin of sustained monomorphic ventricular tachycardia associated with dilated-phase hypertrophic cardiomyopathy: A case of successful catheter ablation. J Arrhythm. 2015;31(6):406-9doi: 10.1016/j.joa.2015.06.003.
Kawakami, H., Nagai, T., Fujii, A., Uetani, T., Nishimura, K., Inoue, K., Suzuki, J., Satomi, K., Okura, T., Higaki, J., & Ogimoto, A. (2015). Identifying the true origin of sustained monomorphic ventricular tachycardia associated with dilated-phase hypertrophic cardiomyopathy: A case of successful catheter ablation. Journal of arrhythmia, 31(6), 406-9. https://doi.org/10.1016/j.joa.2015.06.003
Kawakami, Hiroshi, et al. "Identifying the true origin of sustained monomorphic ventricular tachycardia associated with dilated-phase hypertrophic cardiomyopathy: A case of successful catheter ablation." Journal of arrhythmia vol. 31,6 (2015): 406-9. doi: https://doi.org/10.1016/j.joa.2015.06.003
Kawakami H, Nagai T, Fujii A, Uetani T, Nishimura K, Inoue K, Suzuki J, Satomi K, Okura T, Higaki J, Ogimoto A. Identifying the true origin of sustained monomorphic ventricular tachycardia associated with dilated-phase hypertrophic cardiomyopathy: A case of successful catheter ablation. J Arrhythm. 2015 Dec;31(6):406-9. doi: 10.1016/j.joa.2015.06.003. Epub 2015 Jul 14. PMID: 26702325; PMCID: PMC4672081.
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J Arrhythm. 2015 Dec;31(6):406-9. doi: 10.1016/j.joa.2015.06.003. Epub 2015 Jul 14.

Identifying the true origin of sustained monomorphic ventricular tachycardia associated with dilated-phase hypertrophic cardiomyopathy: A case of successful catheter ablation.

Journal of arrhythmia

Hiroshi Kawakami, Takayuki Nagai, Akira Fujii, Teruyoshi Uetani, Kazuhisa Nishimura, Katsuji Inoue, Jun Suzuki, Kazuhiro Satomi, Takafumi Okura, Jitsuo Higaki, Akiyoshi Ogimoto

Affiliations

  1. Division of Cardiology, Department of Cardiology, Pulmonology, Hypertension and Nephrology, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Ehime 791-0295, Japan.
  2. Department of Cardiology, Tokyo Medical University Hachioji Medical Center, Tokyo, Japan.

PMID: 26702325 PMCID: PMC4672081 DOI: 10.1016/j.joa.2015.06.003

Abstract

This case report describes sustained monomorphic ventricular tachycardia (VT) caused by a large epicardial scar, related to dilated-phase hypertrophic cardiomyopathy mimicking VT originating from the apical septum. VT resolved with epicardial catheter ablation. The exit of the VT circuit suggested that a 12-lead electrocardiogram can be remote with respect to the critical isthmus in this case. In patients with structural heart disease, it is difficult to identify the VT reentrant circuit by surface electrocardiography, which shows only the exit site. VT originating in the epicardium should be considered, even if the suspected origin is another ventricular site.

Keywords: Bipolar ablation; Dilated-phase hypertrophic cardiomyopathy; Epicardial ablation; Ventricular tachycardia

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