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Electromyography of the Larynx

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Neurologic and Neurodegenerative Diseases of the Larynx

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Abstract

Laryngeal electromyography (LEMG) has evolved over the past decades to become a clinical diagnostic tool for the neuro-laryngologist. Its primary uses are for (1) signal guidance for injection into the laryngeal muscle, (2) diagnostic needle LEMG, (3) diagnostic fine-wire LEMG, and, less commonly, (4) compound muscle action potential evaluation. Indeed, use for botulinum toxin injection may help improve accuracy and effectiveness of treatment. LEMG can help to distinguish the etiology of vocal fold motion impairment or help predict recovery in paralysis cases to inform earlier surgical management. Neurologic conditions such as spasmodic dysphonia can be more precisely characterized which may help to optimize treatment with botulinum toxin. This chapter aims to provide a summary of the key concepts in LEMG interpretation, as well as instruments and techniques that are essential to the neuro-laryngologist. Better understanding of the audio and visual cues will allow for better yield during use of this technique.

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Authors and Affiliations

  1. Division of Otolaryngology–Head and Neck Surgery, Department of Surgery, Centre Hospitalier Universitaire de Sherbrooke, Sherbrooke, QC, Canada

    Simon Brisebois

  2. Department of Otolaryngology–Head and Neck Surgery, University of Washington, Seattle, Washington, USA

    Allen D. Hillel

Authors
  1. Simon Brisebois
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  2. Allen D. Hillel
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Correspondence to Simon Brisebois .

Editor information

Editors and Affiliations

  1. Division of Otolaryngology–Head & Neck Surgery, Department of Surgery, University of California San Diego, La Jolla, CA, USA

    Philip A. Weissbrod

  2. Division of Otolaryngology–Head & Neck Surgery, Department of Surgery, University of Wisconsin–Madison, Madison, WI, USA

    David O. Francis

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Brisebois, S., Hillel, A.D. (2020). Electromyography of the Larynx. In: Weissbrod, P., Francis, D. (eds) Neurologic and Neurodegenerative Diseases of the Larynx. Springer, Cham. https://doi.org/10.1007/978-3-030-28852-5_10

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  • DOI: https://doi.org/10.1007/978-3-030-28852-5_10

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-030-28851-8

  • Online ISBN: 978-3-030-28852-5

  • eBook Packages: MedicineMedicine (R0)

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