Effects of Acute Changes in Left Ventricular Size on Surface Potential in Man

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概要

• 論文の詳細を見る

• Effects of cardiac size on surface potential magnitude were investigated by induction of acute changes in ventricular dimensions by rapid atrial pacing in 17 cases with ischemic heart disease (IHD) and in 15 cases without IHD. Left ventricular end-diastolic dimensions (LVDd), estimated by echocardiography, decreased along with certain changes in surface potential magnitude during atrial pacing in each case. A positive correlation between LVDd and the amplitudes of RV5, RX, and the maximum spatial QRS magnitude was observed in most of the cases and might be explained by changes in distance between the heart and the chest electrode and/or the Brody effect. However, an inverse correlation was observed in 4 of 17 cases with IHD, and could not be explained by these factors. Other factors, such as changes in the ventricular activation sequence, should be considered as the mechanism.

• International Heart Journal刊行会の論文

著者

• INOUE Hiroshi

  Second Department of Internal Medicine, Graduate School of Medicine, University of Toyama

• Kawahara Takashi

  Second Department of Internal Medicine, Faculty of Medicine, University of Tokyo

• Mashima Saburo

  Second Department of Internal Medicine, Faculty of Medicine, University of Tokyo

• Murayama Masahiro

  Second Department of Internal Medicine, St Marianna University School of Medicine

• MURAO Satoru

  Second Department of Internal Medicine,University of Tokyo

• Inoue Hiroshi

  Second Department Of Internal Medicine Graduate School Of Medicine University Of Toyama

• Kawahara Takashi

  Second Department Of Internal Medicine Faculty Of Medicine University Of Tokyo

• Inoue Hiroshi

  The Second. Departmerit Of Int.ernal Medicine Faclllty Of Medlclne University Of Tokyo

• SAKAMOTO Tsuguya

  Second Department of Internal Medicine, Faculty of Medicine, University of Tokyo

• AMANO Keiko

  Second Department of Internal Medicine, Faculty of Medicine, University of Tokyo

• Murao Satoru

  Second Department Of Internal Medicine Faculty Of Medicine University Of Tokyo

• Mashima Saburo

  Second Department Of Internal Medicine University.

• UCHIYAMA Iwao

  Second Department of Internal Medicine, Faculty of Medicine, University of Tokyo

• TAKENAKA Katsu

  Second Department of Internal Medicine, Faculty of Medicine, University of Tokyo

• Murayama Masahiro

  Second Department Of Internal Medicine St Marianna University School Of Medicine

• Sakamoto Tsuguya

  Second Department Of Internal Medicine University Of Tokyo

• MURAYAMA Masahiro

  Second Department of Internal Medicine, Faculty of Medicine, University of Tokyo

• INOUE Hiroshi

  Second Department of Internal Medicine, Faculty of Medicine, University of Tokyo

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