Bells Palsy ☺️ Flashcards

1
Q

Bells Palsy presentation

Differentiation between Bells and a stroke

A

LMN unilateral facial nerve palsy
FOREHEAD AFFECTED

Preauricular pain
Altered taste
Dry eyes
Increased sensitivity to sound

Gradual onset without forehead sparing
No impact on motor function

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2
Q

Epidemiology

Etiology and pathophysiology

A

20-40s, common in pregnant

Idiopathic but linked to herpes viruses

Affects both LMNs => impacts on upper and lower face

  • UMN supplying upper face => bilateral
  • UMN supplying lower face => contralateral
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3
Q

Management

  • pharmacological
  • supportive
A

Prednisolone within 72hrs of onset
Valacyclovir

Lubricating eyedrops
Eye patch - protect eyes from abrasions

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4
Q

Follow up and prognosis

A

Most recover within 3-4months
If untreated => 15% have permanent moderate/severe weakness

No improvement after 3wks => ENT referral
Surgery may be needed

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