Variations of the Timing of Deflections in the His Bundle Recordings
スポンサーリンク
概要
- 論文の詳細を見る
Clinical and experimental studies were performed to examine the meaning and implication of the "His bundle spike" recorded with the current techniques.Tracings obtained with various locations of electrodes along the A-V conducting system revealed that the more ventricularly the sensing electrode(s) was (were) introduced, the shorter the interval between the "His bundle spike" and the onset of ventricular deflections (spike-Q interval) on the electrogram.The His bundle and bundle branch potentials should be understood not as the discrete phenomena but as the local manifestations of the suc-cessive depolarization of the A-V conducting system.The His potential observed in a bipolar lead with 2 catheter electrodes was occasionally not seen in a unipolar lead with one of the 2 electrodes, therefore, the measurement of the intervals of the deflections would be of clearer meaning with unipolar lead which is more suitable for detailed study of the A-V conduction. Calculated condution velocity in human His bundle approximated to 1.25M/sec.
- International Heart Journal刊行会の論文
著者
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MITAMURA Hideo
Saiseikai Central Hospital
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SHIMOMURA Katsuro
Second Department of Internal Medicine,University of Tokyo
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HARUMI Kenichi
Second Department of Internal Medicine, University of Tokyo
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KATO Ryoko
Second Department of Internal Medicine, University of Tokyo
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Matsuo Hiroshi
The Third Department Of Internal Medicine Saitama Medical Center Saitama Medical School
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SATO Iwao
Second Department of Medicine, Nagoya City University Medical School
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Murao Satoru
Second Department Of Internal Medicine Faculty Of Medicine University Of Tokyo
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Mashima Saburo
Second Department Of Internal Medicine University.
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Matsuo Hiroshi
Department Of Medicine Faculty Of Medicine University Of Tokyo
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Matsuo Hiroshi
The Second Department Of Internal Medicine University Of Tokyo
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YAMAMOTO Hideo
Second Department of Internal Medicine, Faculty of Medicine, University of Tokyo.
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Matsuo Hiroshi
Second Department Of Internal Medicine Saitama Medical School
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CHEN Chia-Maou
Second Department of Internal Medicine, Faculty of Medicine, University of Tokyo
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HARUMI Kenichi
Second Department of Internal Medicine, Faculty of Medicine, University of Tokyo
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KATO Ryoko
Second Department of Internal Medicine, Faculty of Medicine, University of Tokyo
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MATSUO Hiroshi
Second Department of Internal Medicine, Faculty of Medicine, University of Tokyo
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SHIMOMURA Katsuro
Second Department of Internal Medicine, Faculty of Medicine, University of Tokyo
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YAMAMOTO Hideo
Second Department of Internal Medicine, Faculty of Medicine, University of Tokyo
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SATO Iwao
Second Department of Internal Medicine, Faculty of Medicine, University of Tokyo
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