Radiofrequency Catheter Ablation of Ventricular Tachycardia Originating in the Left Posterior and Left Anterior Fascicles in a Patient With Prior Myocardial Infarction
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概要
- 論文の詳細を見る
A 61-year-old man with prior anteroseptal myocardial infarction (ejection fraction: 40%) presented with recurrent episodes of palpitations. Twelve-lead ECG during palpitations showed an incessant ventricular tachycardia (VT1) with right bundle branch block (RBBB) morphology and inferior axis. Electrophysiologic study revealed that the clinical VT originated from the anterolateral left ventricle. A Purkinje potential preceded onset of the QRS complex by 34 ms. Radiofrequency ablation guided by the Purkinje potential terminated the VT1. Another ventricular tachycardia (VT2) showing RBBB morphology with superior axis and originating from the posteroseptal left ventricle, was induced by programmed ventricular stimulation. A Purkinje potential preceded onset of the local ventricular potential by 120-130 ms in this VT. Radiofrequency ablation guided by the Purkinje potential terminated the VT2.
著者
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NAKAI Toshiko
Division of Cardiology, Department of Medicine, Nihon University School of Medicine
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Kofune Masayoshi
Division Of Cardiology Department Of Medicine Nihon University School Of Medicine
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Watanabe Ichiro
Division Of Cardiology Department Of Medicine Nihon University School Of Medicine
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Hashimoto Kenichi
Division Of Cardiology Department Of Medicine Nihon University School Of Medicine
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Okubo Kimie
Division of Cardiology, Department of Medicine, Nihon University School of Medicine
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Ashino Sonoko
Division Of Cardiology Department Of Medicine Nihon University School Of Medicine
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Sugimura Hidezou
Division Of Cardiology Department Of Medicine Nihon University School Of Medicine
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Kawauchi Kazunori
Division Of Cardiology Department Of Medicine Nihon University School Of Medicine
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Shindo Atsushi
Division Of Cardiology Nihon University School Of Medicine
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Okumura Yasuo
Division Of Cardiology Department Of Cardiovascular Disease Nihon University School Of Medicine
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Nakai Toshiko
Division Of Cardiology Department Of Medicine Nihon University School Of Medicine
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Saito Satoshi
Division Of Cardiology Department Of Medicine Nihon University School Of Medicine
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Hirayama Atsushi
Division Of Cardiology Department Of Internal Medicine Nihon University School Of Medicine
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Yamada Takeshi
Division Of Biology National Institute Of Radiological Sciences
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