• In cases where there is no clear cause, doctors give a diagnosis of idiopathic hemifacial spasm, which means that the cause of muscle spasm is not known. (medic8.com)
  • What is the prognosis for people with hemifacial spasm? (medic8.com)
  • The brow lift sign is co-contraction of the frontalis and orbicularis oculi causing simultaneous eye closure and paradoxical elevation of the eyebrow during a spasm. (neurosigns.org)
  • Occasionally sufferers report transient dulling hearing on the affected side during a facial spasm- presumably due to stapedius contraction. (blogspot.com)
  • abstract = "Objective Although hearing impairment after microvasuclar decompression (MVD) for hemifacial spasm (HFS) is not common, its occurrence could detrimentally affect the patient's surgical outcome. (elsevier.com)
  • There is no known way to prevent hemifacial spasm. (wikipedia.org)
  • There are no current guidelines to prevent hemifacial spasm. (swedish.org)
  • There is a revers process regarding the twitching and this occurs in an atypical Hemifacial spasm. (healthwatchcenter.com)
  • There are several tests done to diagnose hemifacial spasm. (wikipedia.org)
  • To diagnose hemifacial spasm, Dr Tollesson will evaluate your medical history, signs and symptoms, and do a physical and neurological examination. (bssq.com.au)
  • If a doctor suspects hemifacial spasm, they will ask some questions about additional symptoms and carry out a brief examination. (medic8.com)
  • A complete neurological exam is performed and if the physician suspects hemifacial spasm, an electromyogram is ordered. (healthcommunities.com)
  • Ectatic blood vessels cause hemifacial spasm by compressing the facial nerve as it exits the brainstem. (medscape.com)