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Japanese

Clinical Significance of qV2-3 in the Counter Clockwise Rotation of the Heart Nobuko Yanagisawa 1 1Department of Medicine, International Goodwill Hospital pp.1045-1051
Published Date 1980/9/15
DOI https://doi.org/10.11477/mf.1404203637
  • Abstract
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Electrocardiograms of 3,470 cases and chest radiographs of 1.430 cases were reviewed to determine the causes of counterclockwise rotation of QRS and of heart. Seventy-eight patients with the pattern of q in V2 or V3 to V6 and the transitional zone shifted to the right (counterclockwise rotation of QRS). It was found that they all had widening aorta, and the majorities had an absence of pulmonary artery trunk in the posteroanterior chest radiographs. The data seems to suggest that aortic lesion is an important cause in producing counterclockwise rotation of the heart and the QRS. Although most such patients were in older age groups, cardiac enlargement, hypertrophy, or damage were not found to contribute to the etiology of counterclockwise rotation of the QRS, but may even counteract the development of counter-clockwise rotation of either the heart or the QRS axis.


Copyright © 1980, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1200 印刷版ISSN 0452-3458 医学書院

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