Tako-tsubo cardiomyopathy following transcatheter radiofrequency ablation of the atrioventricular node. |
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| Authors: | Wadi Mawad Peter G Guerra Marc Dubuc Paul Khairy |
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| Affiliation: | Electrophysiology Service, Montreal Heart Institute, 5000 Belanger Street E., Montreal, QC, Canada. |
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| Abstract: | A 66-year-old woman with atrial fibrillation and hypertension developed tako-tsubo cardiomyopathy following acutely uneventful radiofrequency catheter ablation of the atrioventricular (AV) node. We speculate that the increase in sympathetic activity that accompanies AV node ablation contributed to the pathophysiological process, which involves increased catecholamines and/or apical adrenoreceptor density and responsiveness. |
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| Keywords: | tako-tsubo cardiomyopathy radiofrequency ablation atrioventricular node catheter ablation atrial fibrillation |
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