Demonstration of an excitable gap in the common form of atrioventricular nodal reentrant tachycardia

M. E. Rosenthal, John Miller, M. E. Josephson

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Premature ventricular depolarizations were introduced during sustained atrioventricular nodal reentrant tachycardia ('slow-fast' type) in a single patient during electrophysiological study. Preexcitation of the atrium with retrograde His bundle capture occurred over an 85 msec range of coupling intervals between the last anterograde His bundle depolarization and the first retrograde His bundle depolarization associated with the premature beat (H1-H2 interval). The interval between the retrograde His bundle depolarization (H2) and the retrograde atrial depolarization (A2) remained constant over this 85 msec excitable gap as the H1-H2 interval decreased. This indicates the presence of fully excitable tissue within the retrograde fast pathway of the reentrant circuit during the tachycardia and demonstrates the utility of this technique for defining the extent and conduction properties of the excitable gap in reentrant arrhythmias.

Original languageEnglish (US)
Pages (from-to)334-342
Number of pages9
JournalJournal of Electrophysiology
Volume1
Issue number4
StatePublished - 1987
Externally publishedYes

Fingerprint

Atrioventricular Nodal Reentry Tachycardia
Bundle of His
Premature Cardiac Complexes
varespladib methyl
Tachycardia
Cardiac Arrhythmias

ASJC Scopus subject areas

  • Physiology
  • Cardiology and Cardiovascular Medicine

Cite this

Demonstration of an excitable gap in the common form of atrioventricular nodal reentrant tachycardia. / Rosenthal, M. E.; Miller, John; Josephson, M. E.

In: Journal of Electrophysiology, Vol. 1, No. 4, 1987, p. 334-342.

Research output: Contribution to journalArticle

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