Entrainment of Ventricular Tachycardia by Sinus Rhythm

M. S. Kremers, B. Levine, R. Spielberger, J. Passos-Coelho

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1 Scopus citations


KREMERS, M.S., et al. Entrainment of Ventricular Tachycardia by Sinus Rhythm Entrainment of ventricular tachycardia (VT) may be manifest as fixed and progressive QRS fusion with ventricular and, rarely, atrial pacing. Only a single example of spontaneous VT entrainment by another rhythm, rapid atrioventricular nodal tachycardia, has been reported. This article describes an example of fixed and progressive QRS fusion between conducted sinus rhythm and VT consistent with entrainment. In contrast to entrainment with pacing, entrainment of VT by sinus rhythm occurred with drug‐mediated arrhythmia slowing and demonstrated progressive QRS fusion at a constant cycle length. However, it did not demonstrate unfused but entrained QRS complexes. The resulting short PR interval and wide QRS mimicked a preexcited rhythm.

Original languageEnglish (US)
Pages (from-to)1660-1666
Number of pages7
JournalPacing and Clinical Electrophysiology
Issue number10
StatePublished - Oct 1989


  • entrainment
  • preexcitation
  • ventricular tachycardia

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine


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