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Psychogenic tremor: wing-beating type

This 19-year-old woman shows wing-beating type of tremors. Her neurologic examination was normal, and Kayser-Fleischer Ring was absent. The tremors appeared acutely 2 days after she had a fight with her brother (Contributed by Dr. Ravindra Kumar Garg.)

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Associated Disorders

  • Autosomal dominant hereditary ataxias
  • Cerebellar hypoplasia, dysplasia, and enlargement
  • Dystonia
  • FXTAS
  • Fragile X-associated tremor/ataxia syndrome
  • GM2 gangliosidosis
  • Hyperadrenergic states
  • Parkinson disease
  • Pontocerebellar hypoplasia
  • Spinal muscular atrophy type 2
  • Spinocerebellar ataxias
  • Thyrotoxicosis
  • Wilson disease