Výsledky vyhledávání - "Genyo Nishiyama"

Single and two-dipole analysis of cardiac electromotive force in normal persons and patients with right bundle branch block

Autor: Hiroshi Tsunakawa, Genyo Nishiyama, Takeshi Tsutsumi, Saburo Mashima, Yasusi Kusahana

Publikováno v: Japanese Journal of Electrocardiology. 16:733-745

右脚ブロック例について体表面128点の電位を記録し, これと正常平均のデータを単一双極子および二個双極子によって表現することを試みた.体内の双極子による体表電位の計算値と実測�

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d79c1c1e4983b8d9f0e968e6282790ce
https://doi.org/10.5105/jse.16.733

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The Absolute Voltage and the Lead Vector of Wilson's Central Terminal

Autor: Norio Miyamoto, Saburo Mashima, Genyo Nishiyama, Yoshio Okamoto, Yutaka Shimizu

Publikováno v: Japanese Heart Journal. 37:203-214

The absolute potential value of Wilson's central terminal was calculated at 2 msec intervals during a cardiac cycle in 60 clinical cases. Starting from the body surface potential data at 128 thoracic locations, the effect of immersion of the body int

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8c1a2c25b853ec8ab6dd05dbbb678543
https://doi.org/10.1536/ihj.37.203

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Effect of Nipradilol on Exercise Electrocardiogram in Angina Pectoris: Analysis of Heart Rate-ST Segment Loop

Autor: Yasushi Kusahana, Hiroshi Tsunakawa, Yutaka Shimizu, Kensuke Imai, Hirofumi Osada, Masahiro Nakayama, Saburo Mashima, Genyo Nishiyama

Publikováno v: Rinsho yakuri/Japanese Journal of Clinical Pharmacology and Therapeutics. 26:785-792

To study the effect of nipradilol, a new antianginal agent with vasoactive property as well as β-blocking action, on exercise electrocardiogram, multi-stage treadmill tests were performed after the administration of nipradilol and propranolol in 10

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f0fb3d5f4a05c8726f29790e35d0f663
https://doi.org/10.3999/jscpt.26.785

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Noninvasive detection of intraventricular conduction delay and repolarization abnormality in patients with ventricular tachycardia

Autor: Genyo Nishiyama, Mio Kawabata, Yasushi Kusahana, Kenichi Harumi, Hiroshi Tsunakawa, Chiharu Kobayashi, Saburo Mashima

Publikováno v: Japanese Journal of Electrocardiology. 12:224-233

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::51c2e9e8f740b22443ab162e2ff036ba
https://doi.org/10.5105/jse.12.224

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Determination of the site of the accessory pathway in WPW syndrome by an electrocardiogrphic inverse solution

Autor: Yasushi Kusahana, Hiroshi Tsunakawa, Genyo Nishiyama, Kenichi Harumi

Publikováno v: Japanese Heart Journal. 31:777-787

The initial portion of the QRS complex in WPW syndrome might be represented by a single dipole, since the delta wave corresponds to the localized ventricular activation propagated over the accessory atrioventricular pathway. In order to examine wheth

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eeb8999b96a7d9f8fe8474c5cfdd79ee
https://doi.org/10.1536/ihj.31.777

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The ventricular gradient and altered ventricular activation patterns

Autor: Yutaka Shimizu, Yoshio Okamoto, Saburo Mashima, Masahiko Kondo, Genyo Nishiyama

Publikováno v: Japanese heart journal. 38(3)

The ventricular gradient vector was determined in normal persons and in cases with left and right bundle branch block (BBB) by means of the best fit method from body surface potential mapping data. Similar measurements were also made in cases with ar

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2fd60d2871fce6719ecfe2b5e619da65
https://pubmed.ncbi.nlm.nih.gov/9290570

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On the potential of the Wilson central terminal with respect to an ideal reference for unipolar electrocardiography

Autor: Yutaka Shimizu, Yoshio Okamoto, Saburo Mashima, Norio Miyamoto, Genyo Nishiyama

Publikováno v: Journal of electrocardiology. 28(4)

Body surface potential mapping was performed in 60 clinical cases and an ideal 0 potential was calculated in each case at 2msec intervals, which corresponds to the potential at infinity. Maximal deviation of the Wilson terminal voltage the ideal pote

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ba2f5419947513f71cd3ab80e771a623
https://pubmed.ncbi.nlm.nih.gov/8551180

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