One tachycardia with two entrainment responses: what is the mechanism?

Heart Rhythm. 2010 Jan;7(1):136-7. doi: 10.1016/j.hrthm.2008.12.026. Epub 2008 Dec 27.

Abstract

The patient presented for electrophysiology study and ablation for a history of narrow complex tachycardia. Both typical and atypical atrioventricular nodal reentrant tachycardia (AVNRT) were induced. For the atypical AVNRT, two different entrainment responses were recorded owing to different timing in delivering the ventricular pacing train.

Publication types

  • Case Reports

MeSH terms

  • Adult
  • Cardiac Pacing, Artificial
  • Diagnosis, Differential
  • Electrocardiography
  • Female
  • Heart Conduction System / physiopathology
  • Humans
  • Tachycardia, Atrioventricular Nodal Reentry / etiology
  • Tachycardia, Atrioventricular Nodal Reentry / physiopathology*
  • Time Factors
  • Ventricular Premature Complexes / complications
  • Ventricular Premature Complexes / physiopathology*