Bell's palsy

Question 1

What is it

Answer 1

• lesion of facial nerve, CN VII, resulting in unilateral facial paralysis (both upper and lower parts of face)

Question 2

etiology

Answer 2

acute inflammatory process of unknown etiology resulting in compression of the nerve within the temporal bone

Question 3

signs and symptoms

Answer 3

• muscle of facial expression on one side are weakened or paralyzed
• loss of control of salivation or lacrimation
• onset is acute, with maximum severity in a few hours or days
• may be proceeded by pain behind the ear

Question 4

recovery

Answer 4

most recover fully in several weeks or months

Question 5

sensation

Answer 5

normal

Question 6

examine

Answer 6

• drooping of corner of mouth, eyelids that dont close
• function of muscles of facial expression: have patient wrinkle forehead, raise eyebrows, frown, smile, close eyes tightly, puff cheeks

Question 7

3 W’s

Answer 7

whistle wink wrinkle

Question 8

medication

Answer 8

corticosteroids
analgesics

Question 9

goals

Answer 9

• protect cornea (artificial tears)
• electrical stimulation to maintain tone, support function of facial muscles
• provide active facial muscles exercise
• may require face sling to prevent overstretching
• provide functional retraining: foods that can be easily eaten
• provide emotional support