Glabellar Reflex or Myerson's sign

Glabellar Reflex or Myerson's sign

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17823 days ago, 9142 views

Medical Examination

In this medical video: This 72-year-old patient was unable to resist blinking when we tapped on the glabella. This is the glabellar reflex or Myerson's sign . It is often an early sign of Parkinson's disease, but can also be seen in early dementia as well as other progressive neurologic illness. Note the left (i.e., asymmetrical) hand resting tremor.

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