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Transient Improvement of Writing Tremor by Holding Breath in Volition:A Case Report Shuhei Morita 1 , Hideto Miwa 1 , Tomoyoshi Kondo 1 1Department of Neurology, Wakayama Medical University Keyword: writing tremor , essential tremor , writer's cramp , sensory trick pp.1055-1058
Published Date 2002/12/1
DOI https://doi.org/10.11477/mf.1406902039
  • Abstract
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We report a 76-year-old Japanese woman who had tremor of her hand during writing. Her past and fam-ily histories were unremarkable. On neurological ex-amination, there was no abnormal finding except the writing tremor and the postural tremor of her lips and jaw. Surface EMG studies revealed that regular grouped discharges, at a frequency of about 5 Hz, ap-peared in the wrist flexor and extensor muscles soon after she start writing; these grouped discharges were inhibited while holding breath. Her postural tremor improved after consumption of a small amount of alco-hol, suggesting that she had essential tremor.


Copyright © 2002, 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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