Repetitive Nerve Stimulation of Facial and Hypothenar Muscles: Relative Sensitivity in Different Myasthenia Gravis Subgroups
European Neurology, 03/18/2011Zambelis T et al.
Orbicularis oculi(O.O) is the most sensitive muscle in all groups of Myasthenia Gravis(MG) followed by nasalis, while the ADQ is the muscle with the lowest sensitivity. Facial muscles, especially the O.O., should be the first to be tested in MG. The negativity of all tests should question the diagnosis of MG.
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