Myoclonus is an unusual manifestation of stroke.(1) We report a 67-year-old woman admitted with an acute ischemic stroke in the right thalamo-capsular and hippocampal areas (figure). Becoming upright produced marked postural instability, due to an apparent reduction in cervical and dorsal axial muscle tone. EMG disclosed negative myoclonus in left upper limb and right paraspinal muscles, and both negative and positive myoclonus in left paraspinal muscles (video on the Neurology (R) Web site at Neurology.org). No epileptic activity was observed on EEG.
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UC Davis Med Ctr, Dept Neurol Surg, Sacramento, CA USAUC Davis Med Ctr, Dept Neurol Surg, Sacramento, CA USA
Banash, Shawn
Snider, Jonathan
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UC Davis Med Ctr, Dept Neurol, Sacramento, CA USAUC Davis Med Ctr, Dept Neurol Surg, Sacramento, CA USA
Snider, Jonathan
Vitt, Jeffrey R.
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UC Davis Med Ctr, Dept Neurol Surg, Sacramento, CA USA
UC Davis Med Ctr, Dept Neurol, Sacramento, CA USAUC Davis Med Ctr, Dept Neurol Surg, Sacramento, CA USA