Sign Up for a Free Account

This is an image preview.
Start a Free Account
to view the full image.

  • Nearly 3,000 illustrations, including video clips of neurologic disorders.

  • Every article is reviewed by our esteemed Editorial Board for accuracy and currency.

  • Full spectrum of neurology in 1,200 comprehensive articles.

  • Listen to MedLink on the go with Audio versions of each article.

REM sleep behavior disorder in Parkinson disease (polysomnogram)

Baseline polysomnogram in 78-year-old man with Parkinson disease reveals abnormal augmentation of his limb and chin EMG tone during REM sleep, suggesting that the patient’s symptoms were most likely due to REM sleep behavior disorder, a problem commonly associated with Parkinson disease (Contributed by Dr. Raman Malhotra.)

Related Media

Associated Disorders

  • Huntington disease
  • Olivopontocerebellar atrophy
  • Parkinsonism
  • Shy-Drager syndrome