Twin atrioventricular node associated with interruption of the inferior vena cava and atrioventricular nodal reentrant tachycardia

huinam pak, Chun Hwang, Young Hoon Kim

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

We report the case of a patient exhibiting symptomatic junctional bigeminy associated with twin atrioventricular (AV) node and an anomaly in the inferior vena cava. The patient evidenced twin AV node and complete interruption of the inferior vena cava, with azygos continuation. The catheters for mapping of the AV junctional area and ablation were accessed via jugular and subclavian venous approaches, and azygos venous approach via the femoral vein. Twin AV node was diagnosed by (1) the existence of 2 discrete non-preexcited QRS morphologies of junctional bigeminy, (2) decremental anterograde and retrograde conduction, and (3) inducible AV nodal reentrant tachycardia. Atrioventricular nodal reentrant tachycardia and bigeminal rhythm were eliminated by ablation of the retrograde pathway. The postablation rhythm was a regular junctional rhythm, without tachycardia.

Original languageEnglish
Pages (from-to)400-403
Number of pages4
JournalJournal of Electrocardiology
Volume39
Issue number4
DOIs
Publication statusPublished - 2006 Oct 1

Fingerprint

Atrioventricular Nodal Reentry Tachycardia
Atrioventricular Node
Inferior Vena Cava
Femoral Vein
Tachycardia
Neck
Catheters

All Science Journal Classification (ASJC) codes

  • Cardiology and Cardiovascular Medicine

Cite this

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Twin atrioventricular node associated with interruption of the inferior vena cava and atrioventricular nodal reentrant tachycardia. / pak, huinam; Hwang, Chun; Kim, Young Hoon.

In: Journal of Electrocardiology, Vol. 39, No. 4, 01.10.2006, p. 400-403.

Research output: Contribution to journalArticle

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AB - We report the case of a patient exhibiting symptomatic junctional bigeminy associated with twin atrioventricular (AV) node and an anomaly in the inferior vena cava. The patient evidenced twin AV node and complete interruption of the inferior vena cava, with azygos continuation. The catheters for mapping of the AV junctional area and ablation were accessed via jugular and subclavian venous approaches, and azygos venous approach via the femoral vein. Twin AV node was diagnosed by (1) the existence of 2 discrete non-preexcited QRS morphologies of junctional bigeminy, (2) decremental anterograde and retrograde conduction, and (3) inducible AV nodal reentrant tachycardia. Atrioventricular nodal reentrant tachycardia and bigeminal rhythm were eliminated by ablation of the retrograde pathway. The postablation rhythm was a regular junctional rhythm, without tachycardia.

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