Adenosine can also improve the conduction between the superior vena cava and right atrium after isolation

Takumi Yamada, Yoshimasa Murakami, Vance J. Plumb, G. Neal Kay

Research output: Contribution to journalArticle

1 Scopus citations

Abstract

A 64-year-old man with atrial tachycardia (AT) 3 years after a superior vena cava (SVC) isolation for atrial fibrillation underwent electrophysiologic testing. SVC mapping with a basket catheter revealed a more frequent activation in the SVC than in either of the atria during the AT and consequently the recovered conduction between the SVC and right atrium. The conduction improved from 3 or 4-1 conduction to 2-1 conduction after adenosine was administered. Ectopic firing in the SVC persisted even after restoration of sinus rhythm by the successful SVC isolation, which was confirmed by adenosine.

Original languageEnglish (US)
Pages (from-to)1246-1249
Number of pages4
JournalJournal of cardiovascular electrophysiology
Volume17
Issue number11
DOIs
StatePublished - Nov 2006
Externally publishedYes

Keywords

  • Adenosine
  • Atrial fibrillation
  • Isolation
  • Radiofrequency catheter ablation
  • Superior vena cava

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