Methoxamine Induced “Non-paradoxical” Reversed Splitting : A Preliminary Report of Hitherto Undescribed Form of Respiratory Splitting of the Second Heart Sound
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概要
- 論文の詳細を見る
REVERSED splitting of the second heart sound has been regarded as the one of the most important phonocardiographic signs in case of complete left bundle branch block (CLBBB), aortic stenosis, patent ductus arteriosus, and others. This type of splitting is called “paradoxical”, because, contrary to a usual respiratory behavior, inspiration causes a “narrowing” of the interval between 2 components, pulmonic (IIP) and aortic (IIA), of the second heart sound.4 In the extreme, the splitting may be abolished duringpost-inspiratory beats. In this sense, “reversed” splitting and “paradoxica” splitting are synonym. <BR>This paper describes a case of reversed splitting without paradoxical respiratory response. Although the true mechanism is still unsolved, the early appearance of “IIP” during post-inspiratory beats has the primary importance in this particular situation, in which the splitting widens on “inspiration”.
- International Heart Journal刊行会の論文
著者
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Inoue Kiyoshi
The second Department of Internal Medicine, Faculty of Medicine. University of Tokyo
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Sakamoto Tsuguya
2nd Dept Of Intern Med. Facul. Of Med. Univ. Of Tokyo
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UEDA HIDEO
The Second Department of Internal Medicine, Faculty of Medicine, University of Tokyo, Tokyo
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Kawai Nobuyoshi
The Scond Department Of Internal Medicine Faculty Of Medicine University Of Tokyo
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Sakamoto Tsuguya
The Scond Department Of Internal Medicine Faculty Of Medicine Uiversity Of Tokyo
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YAMADA Tetsuro
the Second Department of Internal Medicine, Faculty of Medicine, University of Tokyo
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UOZUMI Zenichiro
the Second Department of Internal Medicine, Faculty of Medicine, University of Tokyo
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Ueda Hideo
The Second Department Of Internal Medicihe Faculty Of Medicine University Of Tokyo
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Inoue Kiyoshi
The Second Department Of Internal Medicine Faculty Of Medicine. University Of Tokyo
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UEDA Hideo
The Second Department of Intermal Medicine, Faculty of Medicine, University of Tokyo
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SAKAMOTO Tsuguya
the Second Department of Internal Medicine, Faculty of Medicine, University of Tokyo
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