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Indian Pacing Electrophysiol J. 2014 Jan 01;14(1):12-25. doi: 10.1016/s0972-6292(16)30711-2. eCollection 2014 Jan.

Dual atrioventricular nodal pathways physiology: a review of relevant anatomy, electrophysiology, and electrocardiographic manifestations.

Indian pacing and electrophysiology journal

Bhalaghuru Chokkalingam Mani, Behzad B Pavri

Affiliations

  1. Jefferson Medical College of Thomas Jefferson University, 925 Chestnut Street, Mezzanine, Philadelphia, PA19107.

PMID: 24493912 PMCID: PMC3893335 DOI: 10.1016/s0972-6292(16)30711-2

Abstract

More than half a century has passed since the concept of dual atrioventricular (AV) nodal pathways physiology was conceived. Dual AV nodal pathways have been shown to be responsible for many clinical arrhythmia syndromes, most notably AV nodal reentrant tachycardia. Although there has been a considerable amount of research on this topic, the subject of dual AV nodal pathways physiology remains heavily debated and discussed. Despite advances in understanding arrhythmia mechanisms and the widespread use of invasive electrophysiologic studies, there is still disagreement on the anatomy and physiology of the AV node that is the basis of discontinuous antegrade AV conduction. The purpose of this paper is to review the concept of dual AV nodal pathways physiology and its varied electrocardiographic manifestations.

Keywords: arrhythmias; dual AV nodal; manifestations; physiology

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