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Parkinsonian tremor (2)

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Parkinsonian tremor (2)

Synchronous coarse tremor involves both upper extremities. At rest, the tremor appears to be symmetrical. It persists with the arms outstretched, but the left side appears to be more prominently involved. The chin is also affected, with a tremor of the same frequency. (Contributed by Dr. Joseph Jankovic)

Associated Disorders

  • Dementia with Lewy bodies
  • Essential tremor
  • REM sleep behavior disorder