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Dystonic storm

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Dystonic storm

This video demonstrates a dystonic storm in a young man with pantothenate kinase-associated neurodegeneration. The storm was triggered by the depletion of his deep brain stimulation battery, leading to a marked worsening of dystonia. Clinical features include severe truncal extension dystonia, retrocollis, profuse diaphoresis, and tachycardia. (Contributed by Dr. Pichet Termsarasab.)

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