Successful epicardial catheter ablation of a septal ventricular tachycardia after myocardial infarction

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

Research output: Contribution to journalArticle

Abstract

A 55-year-old man underwent catheter ablation of ventricular tachycardia (VT) after anterior myocardial infarction. Although electrophysiological study suggested that the VT originated from the septum, biventricular endocardial irrigated radiofrequency ablation failed to interrupt the VT. Epicardial ablation at the site located halfway between the lesions in the right and left ventricles via a pericardial approach eliminated the VT, suggesting that the VT likely originated from the top of the septum. When VTs originating from the upper septum are refractory to endocardial ablation, epicardial mapping and ablation may be considered because only that site may be accessible with an epicardial approach. (PACE 2012; 35:e116-e119)

Original languageEnglish (US)
Pages (from-to)e116-e119
JournalPACE - Pacing and Clinical Electrophysiology
Volume35
Issue number5
DOIs
StatePublished - May 2012
Externally publishedYes

Keywords

  • epicardial
  • myocardial infarction
  • radiofrequency catheter ablation
  • ventricular septum
  • ventricular tachycardia

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