An unusual case of non-reentrant atrioventricular nodal tachycardia.

Publication/Presentation Date

5-1-2022

Abstract

INTRODUCTION: Although uncommonly encountered, dual atrioventricular nodal non-reentrant tachycardia (DAVNNRT) is a well-described arrhythmia that can manifest in patients with dual atrioventricular nodal pathways physiology. This arrhythmia is characterized on electrocardiogram (ECG) by a single P wave followed by two conducted QRS complexes (so-called "double fire"), and on intracardiac electrograms by a single atrial electrogram followed by two separate His deflections and ventricular electrograms.

METHODS/RESULTS: We report a rare case of "triple-fire" atrioventricular non-reentrant tachycardia in which a patient was found to have three distinct atrioventricular nodal pathways and multiple triple fire responses, both on surface ECG and intracardiac electrograms.

CONCLUSION: Multiple pathways physiology and it's clinical ramifications are discussed.

Volume

33

Issue

5

First Page

1062

Last Page

1066

ISSN

1540-8167

Disciplines

Business Administration, Management, and Operations | Health and Medical Administration | Management Sciences and Quantitative Methods

PubMedID

35229370

Department(s)

Administration and Leadership

Document Type

Article

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