bell's palsy

Question 1

what is bell’s palsy ?

Answer 1

idiopathic LMN facial nerve paralysis

Question 2

what is the aetiology of bell’s palsy ?

Answer 2

idiopathic
different theories: vascular ischaemic theory
viral theeory
auto immune theory

Question 3

what is the clinical picture of bell’s palsy ?

Answer 3

facial paralysis
retroauricular pain a few hours before onset
hyperacusis
decreased tearing
normal ear eexamination
metallic taste in mouth

Question 4

what investigations are required foer thee diagnosis of facial palsy ?

Answer 4

not required itts a clinical diagnosis
if it is prolonged : electrodiagnostic test can be used
MRI may be needed to exclude facial nerve neuroma

Question 5

what is the treatment for bell’s palsy ?

Answer 5

systemic steroids ( prednisolone 1mg/kg/ day with tapering for 2 weeks )
vasodilators
antivirals
eye care
surgical intervention may be needed for facial nerve decompression

Question 6

what is the surgical management of facial nerve palsy ?

Answer 6

facial nerve decomprrssion