Abstract
Between Scylla and Charybdis.
Highlights
Atrioventricular conduction was improved after administration of isoprenaline (Fig. 2), and resulted in 1:1 conduction of sinus beats alternating between the His-Purkinje system and accessory pathway, the latter QRS complex being slightly narrower than before as a result of fusion with native conduction
Flecainide was discontinued and the patient was planned for definitive pacemaker implantation prior to electrophysiology studies
In patients with Wolff-Parkinson-White syndrome, flecainide mainly prolongs the refractoriness of the accessory pathway and is used to prevent atrial tachyarrhythmias from rapidly conducting in the presence of a ‘malignant’ pathway [1]
Summary
H. J. te Kolste ( ) Location VU Medical Center, Amsterdam University Medical Center, Amsterdam, The Netherlands h.j.tekolste@vumc.nl Timmer North-West Hospital Group, Alkmaar, The Netherlands fascicle (LPF) by the previous conducted sinus beats or consistent antegrade atrioventricular block.
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