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Clinical Handbook of Cardiac Electrophysiology pp 119–133Cite as

AV Nodal Re-entry Tachycardia (AVNRT)

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Abstract

AVNRT is the most common paroxysmal supraventricular tachycardia seen in adults. It occurs as a result of dual AV nodal physiology in which an ectopic beat from the atrium or the ventricle conducts along either a slowly conducting or fast pathway and retrogradely along the other pathway which is no longer refractory. In the case of a typical AVNRT this occurs antegradely along the slow pathway and retrogradely along the fast pathway resulting in a short RP tachycardia. In an atypical AVNRT conduction occurs antegradely along the fast pathway and retrogradely along the slow pathway resulting a long RP tachycardia. It is important to carefully map during tachycardia and perform the relevant maneuvers in order to help establish the diagnosis. AVNRT is treatable with catheter ablation and this is highly successful with a low recurrence rate.

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Author information

Authors and Affiliations

  1. Department of Cardiac Electrophysiology, Queens University, Kingston, ON, Canada

    Benedict M. Glover

  2. Cardiovascular Division, Free University of Brussels UZ Brussel-VUB, Brussels, Belgium

    Pedro Brugada MD, PhD (Chairman)

  3. GVM Group, Cotignola, Italy

    Pedro Brugada MD, PhD (Chairman)

  4. CEO Medisch Centrum Prof. Dr. P. Brugada, Aalst, Belgium

    Pedro Brugada MD, PhD (Chairman)

  5. Clinical Electrophysiology Program, Hospiten Estepona, Marbella, Spain

    Pedro Brugada MD, PhD (Chairman)

Authors
  1. Benedict M. Glover
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  2. Pedro Brugada MD, PhD
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Correspondence to Benedict M. Glover .

Editor information

Editors and Affiliations

  1. Queens University , Kingston, Ontario, Canada

    Benedict M. Glover

  2. Cardiovascular Division, Free University of Brussels, Brussels, Belgium

    Pedro Brugada

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© 2016 Springer International Publishing Switzerland

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Glover, B.M., Brugada, P. (2016). AV Nodal Re-entry Tachycardia (AVNRT). In: Glover, B., Brugada, P. (eds) Clinical Handbook of Cardiac Electrophysiology. Springer, Cham. https://doi.org/10.1007/978-3-319-40818-7_4

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  • DOI: https://doi.org/10.1007/978-3-319-40818-7_4

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-40816-3

  • Online ISBN: 978-3-319-40818-7

  • eBook Packages: MedicineMedicine (R0)

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