Idiopathic ventricular tachycardia originating from the left ventricle near the his bundle

Takumi Yamada, Vance J. Plumb, James D. Allred, H. Thomas McElderry, Harish Doppalapudi, G. Neal Kay

Research output: Contribution to journalArticle

6 Scopus citations

Abstract

A 62-year-old man with idiopathic ventricular tachycardia (VT) exhibiting left bundle branch block and left inferior axis QRS morphology with a Qr in lead III underwent electrophysiological testing. Successful ablation was achieved in the left ventricle (LV) at a site with an excellent pace map, adjacent to the His bundle electrogram recording site. At that site, the sequence of the ventricular electrogram and late potential recorded during sinus rhythm reversed during spontaneous premature ventricular contractions with the same QRS morphology as the VT. This case shows that VT can arise from the LV ostium adjacent to the membranous septum.

Original languageEnglish (US)
Pages (from-to)e114-e118
JournalPACE - Pacing and Clinical Electrophysiology
Volume33
Issue number12
DOIs
StatePublished - Dec 2010
Externally publishedYes

Keywords

  • His bundle
  • left ventricle
  • membranous septum
  • radiofrequency catheter ablation
  • ventricular tachycardia

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