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BACKGROUND Memory is a diverse biological phenomenon whose importance in the ventricle has been demonstrated. We hypothesized its occurrence in the atrium, contributing to the modulation of cardiac rhythm. METHODS AND RESULTS We analyzed P and Ta waves in conscious chronically instrumented dogs with complete heart block. Animals were atrioventricularly(More)
INTRODUCTION This report presents safety data on the use of a new open-irrigation radiofrequency ablation (RFA) catheter with a 56-hole porous tip in 742 patients enrolled in 2 US prospective, multicenter observational registry studies representing real-world use of the catheter. METHODS This analysis is comprised of patients who underwent RFA of(More)
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