Atypical response of class IC atrial flutter to adenosine

Atypical response of class IC atrial flutter to adenosine

We report the case of a 67-year-old female with a wide QRS complex tachycardia at 180 bpm. A diagnosis of class IC atrial flutter with aberrant ventricular conduction caused by flecainide therapy was formulated. Intravenous adenosine administration resulted in adequate slowing of the ventricular rat...

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Bibliographic Details
Main Authors: Francesco Rotondi, Tonino Lanzillo, Fiore Manganelli, Francesca Lanni, Ferdinando Alfano, Giovanni Stanco, Giuseppe Rosato
Format: Article
Language:English
Published: PAGEPress Publications 2015-12-01
Series:Monaldi Archives for Chest Disease
Subjects:
adenosine
class IC atrial flutter
Online Access:https://www.monaldi-archives.org/index.php/macd/article/view/188
Description
Summary:We report the case of a 67-year-old female with a wide QRS complex tachycardia at 180 bpm. A diagnosis of class IC atrial flutter with aberrant ventricular conduction caused by flecainide therapy was formulated. Intravenous adenosine administration resulted in adequate slowing of the ventricular rate and normalization of QRS complexes. Restoration of sinus rhythm was achieved with intravenous amiodarone. The response to adenosine confirmed the diagnosis of supraventricular tachycardia with aberrant conduction, but the transition from arrhythmia onset to restoration of sinus rhythm showed interesting peculiarities.
ISSN:1122-0643
2532-5264

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