Case 67 Sinus rhythm and frequent APCs producing atrial bigeminy with aberrant ventricular conduction associated with BFB (RBBB with left anterior hemiblock)

2015 ◽  
pp. 137-138
Keyword(s):  
Sinus Rhythm ◽  
Ventricular Conduction ◽  
Anterior Hemiblock

scholarly journals Atypical response of class IC atrial flutter to adenosine

2015 ◽  
Vol 76 (3) ◽  
Author(s):  
Francesco Rotondi ◽  
Tonino Lanzillo ◽  
Fiore Manganelli ◽  
Francesca Lanni ◽  
Ferdinando Alfano ◽  
...  
Keyword(s):  
Sinus Rhythm ◽  
Atrial Flutter ◽  
Supraventricular Tachycardia ◽  
Ventricular Rate ◽  
Qrs Complex ◽  
Intravenous Amiodarone ◽  
Adenosine Administration ◽  
Ventricular Conduction

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.

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