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Study on the Latency Difference between Compound Muscle and Sensory Nerve Action Potentials Osamu Hasegawa 1 , Gakuji Gondo 2 , Naomi Wadi 3 , Shunsuke Matsumoto 4 , Eri Mimura 3 1Division of Medical Risk Management, Yokohama City University Medical Center 2Department of Neurosurgery, Yokohama City University School of Medicine 3Division of Clinical Laboratory, Yokohama City University Hospital 4Department of Neurology, Daini-Kawanami Hospital Keyword: motor distal latency , sensory distal latency , residual latency , diabetic neuropathy , carpal tunnel syndrome pp.541-545
Published Date 2001/6/1
DOI https://doi.org/10.11477/mf.1406901785
  • Abstract
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In motor nerve conduction studies compound mus-cle action potentials (CMAPs) appear later than sen-sory nerve action potentials (SNAPs) . This time lag originates from the conduction delay at the distal mo-tor axon, neuromuscular transmission time and mus-cle action potential induction time. To investigate the latency difference between CMAPs and SNAPs we studied 46 healthy individuals, 46 patients with diabe-tes mellitus and 33 patients with carpal tunnel syn-drome, using the lumbrical and interossei recording method.


Copyright © 2001, Igaku-Shoin Ltd. All rights reserved.

基本情報

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

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