Clinical value of electrodiagnostic studies in neuromuscular disorders

EMG and conduction studies provide the physician with a precise means of defining the multiple diseases affecting the peripheral motor-sensory unit. These studies frequently provide clues that may be useful in arriving at the appropriate therapeutic decisions and in determining prognosis. Normal res...

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Bibliographic Details
Published inThe Medical clinics of North America Vol. 70; no. 6; p. 1333
Main Authors Russell, J A, Jones, Jr, H R
Format Journal Article
LanguageEnglish
Published United States 01.11.1986
Subjects
Adult
Aged
Amyotrophic Lateral Sclerosis - diagnosis
Amyotrophic Lateral Sclerosis - physiopathology
Electrodiagnosis
Female
Humans
Male
Middle Aged
Neuromuscular Diseases - diagnosis
Neuromuscular Diseases - physiopathology
Polyradiculopathy - diagnosis
Polyradiculopathy - physiopathology
Radiculopathy - diagnosis
Radiculopathy - physiopathology
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Summary:EMG and conduction studies provide the physician with a precise means of defining the multiple diseases affecting the peripheral motor-sensory unit. These studies frequently provide clues that may be useful in arriving at the appropriate therapeutic decisions and in determining prognosis. Normal results may also support a suspected clinical diagnosis of inorganic illness, providing no evidence of central nervous system disease can be defined. Like any other test, however, results of EMG may be false-negative in bona fide neuromuscular disorders. This is particularly true early in a disease process; in neuropathies restricted primarily to small, unmyelinated nerve fibers; and in certain of the less virulent diseases of muscle and muscle energy metabolism.
ISSN:0025-7125
DOI:10.1016/S0025-7125(16)30902-6