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Macroreentrant atrial tachycardia with an isolated pathway mimicking focal activation on three-dimensional electroanatomical mapping |
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| Authors: | Akio Yano Osamu Igawa Masamitsu Adachi Junichiro Miake Yoshiaki Inoue Kazuyoshi Ogura Masaru Kato Kazuhiko Iitsuka Ichiro Hisatome |
| Affiliation: | (1) Department of Cardiovascular Medicine, Tottori University Hospital, 36-1, Nishimachi, Yonago 683-8504, Japan;(2) Department of Genetic Medicine and Regenerative Therapeutics, Institute of Regenerative Medicine and Biofunction, Tottori University Graduate School of Medical Sciences, 36-1, Nishimachi, Yonago 683-8504, Japan |
| Abstract: | A 76-year-old man with two different sustained atrial arrhythmias that occurred after coronary artery bypass grafting underwent electrophysiological studies. Macroreentrant atrial tachycardias were detected with an isolated slow pathway mimicking focal activation on three-dimensional electroanatomical mapping. The slow conduction pathway in the right atrial free wall was assumed to represent tissue damaged by right atrial cannulation during previous coronary artery bypass grafting. |
| Keywords: | Atrial tachycardia Electrophysiological study Entrainment Three-dimensional electroanatomical mapping |
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