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Orthostatic Myoclonus

Legend: An 82-year-old woman with rest and postural hand myoclonus. Once standing, she reported weakness and unsteadiness, which worsened the longer she remained erect. Electrophysiology revealed abnormal movements in her legs, which were myoclonic, and almost impossible to see, with the naked eye.

Duration: 1:13

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