Maciej Pitak

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We present a case of 8 year-old boy with several episodes of ventricular fibrillation in the course of tachycardia-mediated cardiomyopathy and severe decompensated heart failure. The cardiomyopathy was caused by incessant long-RP tachycardia that was resistant to pharmacotherapy. Despite initial suspition that the arrhythmia was permanent junctional(More)
We report three patients with intermittent loss of the preexcitation pattern in the ECG that had undergone an electrophysiological study. Despite apparently poorly conducting accessory pathway (AP), in each case a fast anterograde conduction, either during spontaneous atrial fibrillation or during incremental atrial pacing (on isoproterenol) was documented;(More)
BACKGROUND AND AIM The aim of this study was to examine contemporary results of accessory pathway (AP) ablation in a sizeable number of patients, focusing on periprocedural complications and the learning curve. METHODS We performed a retrospective cohort study of consecutive AP ablation procedures at three centresby the same operator. In total 629(More)
To establish an appropriate treatment strategy and determine if ablation is indicated for patients with narrow QRS complex supraventricular tachycardia (SVT), analysis of a standard 12-lead electrocardiogram (ECG) is required, which can differentiate between the 2 most common mechanisms underlying SVT: atrioventricular nodal reentry tachycardia (AVNRT) and(More)
We present a case of 14-year-old boy with incessant atrial tachycardia from right atrial appendage, resistant to pharmacotherapy and with early signs of the left ventricle tachyarrhythmic dysfunction. The P-wave was positive in leads I, II, III, aVF, negative in aVR, aVL. Moreover, P waves configuration specific for this localization: negative in V1-V2 that(More)
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