Idiopathic premature ventricular contractions arising from the intraventricular septum adjacent to the his bundle

Takumi Yamada, Paul B. Tabereaux, H. T. McElderry, Harish Doppalapudi, G. N. Kay

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

A 57-year-old woman with idiopathic premature ventricular contractions (PVCs) exhibiting a left bundle branch block and left inferior axis QRS morphology underwent electrophysiological testing. Mapping revealed that the earliest ventricular activation times during the PVCs recorded on either side of the interventricular septum were the same and no excellent pace maps were reproduced at these sites. Successful radiofrequency catheter ablation was achieved in the right ventricular septum adjacent to the recording site of the His bundle electrogram. These findings suggested that the origin of this PVC was located in the intraventricular septum rather than the endocardial surface. (PACE 2012; 35:e108-e111)

Original languageEnglish (US)
Pages (from-to)e108-e111
JournalPACE - Pacing and Clinical Electrophysiology
Volume35
Issue number5
DOIs
StatePublished - May 2012
Externally publishedYes

Keywords

  • His bundle
  • intraventricular septum
  • premature ventricular contraction
  • radiofrequency catheter ablation

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