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Myokymia (Myoclonus Mimic)

Legend: A 23-year-old woman with lupus who has experienced finger shakes since the age of 16. These difficult-to-characterize, tremulous movements (of lower amplitude than, and not as fast as, myoclonus), were ultimately categorized as neuromyotonia or electric myokymia, a peripheral nerve hyperexcitability disorder.

Duration: 1:43

Associated with: CONTINUUM: Lifelong Learning in Neurology. 19(5):1264-1286, October 2013