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Japanese

ELECTROMYOGRAPHIC STUDY OF THE MINAMATA DISEASE:INVESTIGATIONS IN PATIENTS WITH 10 YEARS' HISTORY Joji Nagaki 1 , Toshifusa Furuta 2 , Sadaaki Okamoto 2 , Toru Okajima 2 , Haruhiko Tokuomi 2 1Central Laboratory, Kumamoto University Hospital 21st Dept. of Internal Medicine, Kumamoto University Medical School pp.821-825
Published Date 1972/7/1
DOI https://doi.org/10.11477/mf.1406203152
  • Abstract
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As a part of the follow-up study of Minamata disease, electromyography and motor nerve conduc-tion velocity were investigated.

Among 29 cases tested, fibrillation voltage in 2, diminution of discharge in 11, grouping voltage in 15 and high amplitude NMU voltage in 7 cases were observed as the abnormal recording. The high amplitude NMU voltage, which was the new finding from the present survey, suggested the involvement of the motor neurons.

Slowing of the motor nerve conduction velocity (below normal : 50 m/sec.) was obtained in 2 of 30 cases tested.


Copyright © 1972, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 2185-405X 印刷版ISSN 0006-8969 医学書院

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