Comparison of diagnostic tests in myasthenia gravis

G. A. Nicholson*, J. G. McLeod, L. R. Griffiths

*Corresponding author for this work

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

Results of 3 tests, intravenous edrophonium chloride, EMG, and acetylcholine receptor antibody testing, were compared in patients with generalised and ocular myasthenia gravis. None of the 3 tests was positive in any patient with a diagnosis other than myasthenia. However, equivocal results were obtained with edrophonium and EMG testing in some patients with myasthenia gravis and in patients with other diseases. It is concluded from this survey that antibody and edrophonium testing were equally efficient in detecting generalised myasthenia gravis. Edrophonium testing was superior in ocular myasthenia gravis. Although the yields from each test varied, all 3 tests were needed for the evaluation of some myasthenia gravis patients as each test may provide additional information.

Original languageEnglish
Pages (from-to)45-49
Number of pages5
JournalClinical and experimental neurology
Volume19
Publication statusPublished - 1983

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    Nicholson, G. A., McLeod, J. G., & Griffiths, L. R. (1983). Comparison of diagnostic tests in myasthenia gravis. Clinical and experimental neurology, 19, 45-49.