Transmural "Scar-to-Scar" Reentrant ventricular tachycardia

Jason S. Bradfield, Roderick Tung, Kalyanam Shivkumar

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


We describe a scar-related reentrant ventricular tachycardia circuit with a proximal segment in an endocardial basal septal scar and an exit in a region of slow conduction in a nonoverlapping region of epicardial basal lateral scar. The 12-lead EKG demonstrates criteria for a basal lateral epicardial VT, however the same morphology could be produced with a longer stim-latency with pace mapping or VT induction from the endocardial septal region of scar. A significant segment of myocardium demonstrated no endocardial or epicardial scar on electroanatomic mapping, suggesting the presence of a mid-myocardial isthmus. Further evidence was provided by assessment of unipolar settings. The epicardial VT that initially appeared to originate from the basal lateral epicardial region, was successfully treated with radiofrequency ablation of the lateral aspect of the endocardial septal scar.

Original languageEnglish (US)
Pages (from-to)212-216
Number of pages5
JournalIndian Pacing and Electrophysiology Journal
Issue number6
StatePublished - 2013
Externally publishedYes


  • Reentrant ventricular tachycardia
  • Transmural scar

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine
  • Physiology (medical)


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