Electrodiagnosis in persons with amyotrophic lateral sclerosis

Nanette Joyce, Gregory T. Carter

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Electrophysiology remains an important tool in the evaluation of patients presenting with signs and symptoms of motor neuron disease. The electrodiagnostic study should include peripheral nerve conduction studies and needle electromyography to both exclude treatable disease and gather evidence regarding a diagnosis of amyotrophic lateral sclerosis (ALS). The recent changes in the revised El Escorial criteria, recommended by the Awaji-shima consensus group, have increased the diagnostic significance of fasciculation potentials to equal that of fibrillation and positive sharp-wave potentials in the needle electromyography examination of patients suspected of having ALS. In addition, electrophysiologic evidence is now considered equivalent to clinical signs and symptoms in reaching a diagnostic certainty of ALS. These changes, strategies for the design, and implementation of an effective electrodiagnostic evaluation, in addition to electrophysiologic techniques and their relationship to the evaluation of a patient with ALS, are reviewed and discussed.

Original languageEnglish (US)
JournalPM and R
Volume5
Issue number5 SUPPL.
DOIs
StatePublished - May 2013

Fingerprint

Electrodiagnosis
Amyotrophic Lateral Sclerosis
Electromyography
Signs and Symptoms
Needles
Fasciculation
Motor Neuron Disease
Electrophysiology
Neural Conduction
Peripheral Nerves

ASJC Scopus subject areas

  • Rehabilitation
  • Neurology
  • Clinical Neurology
  • Physical Therapy, Sports Therapy and Rehabilitation

Cite this

Electrodiagnosis in persons with amyotrophic lateral sclerosis. / Joyce, Nanette; Carter, Gregory T.

In: PM and R, Vol. 5, No. 5 SUPPL., 05.2013.

Research output: Contribution to journalArticle

Joyce, Nanette ; Carter, Gregory T. / Electrodiagnosis in persons with amyotrophic lateral sclerosis. In: PM and R. 2013 ; Vol. 5, No. 5 SUPPL.
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