Concealed Sinus Node Dysfunction and Paradoxical Effect of Atropine during Arrhythmia Diagnostic Pharmacological Testing

A 78-year-old male patient presented with repetitive fainting episodes. His electrocardiogram showed sinus rhythm with persistent ventricular bigeminy. Concealed sinus node dysfunction (SND) with consecutive bradycardia-induced ventricular hyperexcitability was suspected. Pharmacological testing wit...

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Bibliographic Details
Main Authors: Myriam Karam, Antoine Kossaify
Format: Article
Language:English
Published: SAGE Publishing 2014-01-01
Series:Clinical Medicine Insights: Case Reports
Online Access:https://doi.org/10.4137/CCRep.S18122

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