Which physical findings are characteristic of hemifacial spasm?

Updated: Sep 16, 2019
  • Author: Steven Gulevich, MD; Chief Editor: Nicholas Lorenzo, MD, MHA, CPE  more...
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Answer

Physical findings are restricted to the involved facial muscles. The examiner will observe these contracting synkinetically (all at the same time), usually with an irregular frequency. Other neurological findings signal another process elsewhere, or an underlying process such as cerebrovascular disease or multiple sclerosis.  


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