Facial Nerve Palsy

Question 1

Facial Nerve

Answer 1

nerve that innervates the face

motor - facial muscles
sensory - anterior 2/3 of tongue
parasympathetic - facial glands except parotid gland

splits into 5 different areas:
temporal
zygomatic
buccal 
cervical 
mandibular

Question 2

UMN and LMN signs and examples

Answer 2

UMN:
forehead spared

stroke, tumour

LMN:
loss of sensation in whole face

Bell’s palsy, Ramsay Hunter Syndrome, Lymes Disease

Question 3

Bell’s palsy

Answer 3

LMN lesion

post-auricular pain
altered taste
increased sensitivity to noise

treat with prednisolone and artificial eye drops

Question 4

Ramsay Hunter Syndrome

Answer 4

caused by HZV

facial nerve palsy signs
rash around ears

treat with aciclovir and prednisolone

Question 5

Lymes Disease

Answer 5

caused by burgodefori

facial nerve palsy signs
history of being in grass
target sign on body
unwell

treat with doxycycline

target sign on body can be a clinical diagnosis