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An Implantable System For Chronic In Vivo Electromyography
09:52

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Published on: April 21, 2020

Laryngeal electromyography.

Yolanda D Heman-Ackah1, Steven Mandel, Ramon Manon-Espaillat

  • 1Department of Otolaryngology-Head and Neck Surgery, Drexel University College of Medicine, 1721 Pine Street, Philadelphia, PA 19103, USA. phillyvoicemd@aol.com

Otolaryngologic Clinics of North America
|September 4, 2007
PubMed
Summary
This summary is machine-generated.

Laryngeal electromyography (LEMG) assesses larynx neuromuscular function by recording muscle activity. It aids in diagnosing various laryngeal disorders by differentiating nerve and muscle issues.

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Area of Science:

  • Neurology
  • Otolaryngology
  • Physiology

Background:

  • Laryngeal electromyography (LEMG) is a diagnostic tool to evaluate the larynx's neuromuscular system.
  • It records electrical activity (action potentials) in laryngeal muscles during contraction.
  • LEMG helps distinguish between various neurological and musculoskeletal disorders affecting the larynx.

Purpose of the Study:

  • To elucidate the diagnostic utility of Laryngeal electromyography (LEMG).
  • To highlight LEMG's role in differentiating diverse laryngeal pathologies.
  • To emphasize LEMG as an adjunct to clinical examination.

Main Methods:

  • Recording of action potentials in laryngeal muscles.
  • Voluntary and involuntary muscle contraction analysis.
  • Integration of LEMG findings with patient history and laryngeal examination.

Main Results:

  • LEMG identifies abnormalities in the neuromuscular system of the larynx.
  • It differentiates disorders affecting upper and lower motor neurons, peripheral nerves, and muscle fibers.
  • LEMG findings aid in diagnosing conditions involving laryngeal cartilages and joints.

Conclusions:

  • Laryngeal electromyography (LEMG) is a valuable extension of the physical examination for laryngeal disorders.
  • Abnormalities detected by LEMG must be interpreted within the clinical context.
  • LEMG guides the selection of specific muscles for study based on clinical presentation.