Bells Palsy Flashcards

1
Q

define bells palsy?

A

acute, unilateral idiopathic lower motor neurone facial nerve palsy

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2
Q

what are the risk factors of bells palsy?

A
  • Herpes Simplex Virus might be associated

* 60% are preceded by an upper respiratory tract infection

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3
Q

epidemiology of bells palsy?

A
  • Most cases: 20-40 yrs

* More common in pregnant women

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4
Q

presenting complaints of bells palsy?

A
  • Preceding pre-auricular pain
  • This is followed by unilateral facial weakness and droop
  • FOREHEAD IS AFFECTED
  • Altered taste
  • Dry eyes
  • Hyperacusis
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5
Q

what are the signs of bells palsy on physical examination?

A
  • affects the forehead
  • Eyeball rolls up but the eye remains open when trying to close their eyes
  • often testing of sensation is normal
  • ears need to be examined for cause
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6
Q

investigations for bells palsy

A
  • often unnecessary
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7
Q

management plan for bells palsy?

A
  • High-dose corticosteroids given within 72 hrs
  • Antivirals to be given for severe facial palsy
  • Protection of cornea with artificial tears
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8
Q

possible complications for bells palsy?

A
  • Corneal ulcers
  • Eye infection
  • Aberrant reinnervation
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9
Q

prognosis for patients with bells palsy?

A

• 85-90% recover function within 2-12 weeks with or without treatment

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