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Changes of the RR interval and the QRS morphology in AV nodal tachycardia : further evidence for extranodal involvement

Author
Organization
Abstract
A young patient with AV nodal tachycardia was referred for ablation. During electrophysiological testing, a stable succession of up to four different RR intervals with comcomitantly changing QRS morphologies were recorded. This observation might reflect the conduction of the reentry circuit through different extranodal ''pathways'' in the low right atrium. Radiofrequency current was applied near the ostium of the coronary sinus; this abolished conduction through the slow pathway, as dual AV conduction was no longer present. She remains free of recurrences for a follow-up period of 8 months.
Keywords
AV NODAL TACHYCARDIA, ABLATION, EXTRANODAL CONDUCTION, REENTRY, SUPRAVENTRICULAR TACHYCARDIA, REENTRANT TACHYCARDIA, ATRIOVENTRICULAR NODE, ACCESSORY PATHWAY, CYCLE LENGTH, DETERMINANTS, ALTERNATION, SYSTEM

Citation

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Chicago
Vertongen, Patrick, Marc Detollenaere, and Luc Jordaens. 1993. “Changes of the RR Interval and the QRS Morphology in AV Nodal Tachycardia : Further Evidence for Extranodal Involvement.” Pace-pacing and Clinical Electrophysiology 16 (2): 261–266.
APA
Vertongen, P., Detollenaere, M., & Jordaens, L. (1993). Changes of the RR interval and the QRS morphology in AV nodal tachycardia : further evidence for extranodal involvement. PACE-PACING AND CLINICAL ELECTROPHYSIOLOGY, 16(2), 261–266.
Vancouver
1.
Vertongen P, Detollenaere M, Jordaens L. Changes of the RR interval and the QRS morphology in AV nodal tachycardia : further evidence for extranodal involvement. PACE-PACING AND CLINICAL ELECTROPHYSIOLOGY. 1993;16(2):261–6.
MLA
Vertongen, Patrick, Marc Detollenaere, and Luc Jordaens. “Changes of the RR Interval and the QRS Morphology in AV Nodal Tachycardia : Further Evidence for Extranodal Involvement.” PACE-PACING AND CLINICAL ELECTROPHYSIOLOGY 16.2 (1993): 261–266. Print.
@article{201008,
  abstract     = {A young patient with AV nodal tachycardia was referred for ablation. During electrophysiological testing, a stable succession of up to four different RR intervals with comcomitantly changing QRS morphologies were recorded. This observation might reflect the conduction of the reentry circuit through different extranodal ''pathways'' in the low right atrium. Radiofrequency current was applied near the ostium of the coronary sinus; this abolished conduction through the slow pathway, as dual AV conduction was no longer present. She remains free of recurrences for a follow-up period of 8 months.},
  author       = {Vertongen, Patrick and Detollenaere, Marc and Jordaens, Luc},
  issn         = {0147-8389},
  journal      = {PACE-PACING AND CLINICAL ELECTROPHYSIOLOGY},
  keywords     = {AV NODAL TACHYCARDIA,ABLATION,EXTRANODAL CONDUCTION,REENTRY,SUPRAVENTRICULAR TACHYCARDIA,REENTRANT TACHYCARDIA,ATRIOVENTRICULAR NODE,ACCESSORY PATHWAY,CYCLE LENGTH,DETERMINANTS,ALTERNATION,SYSTEM},
  language     = {eng},
  number       = {2},
  pages        = {261--266},
  title        = {Changes of the RR interval and the QRS morphology in AV nodal tachycardia : further evidence for extranodal involvement},
  url          = {http://dx.doi.org/10.1111/j.1540-8159.1993.tb01574.x},
  volume       = {16},
  year         = {1993},
}

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