Facial weakness Flashcards
1
Q
If the pt can raise their eyebrows and the forehead is spared, where is the lesion?
A
Upper motor neuron lesion
2
Q
Explain the innervation of the forehead
A
The forehead muscles / eye scrunching is innervated by both sides of the brain
(maybe because facial expressions were so important)
3
Q
Dfx for lower motor neuron facial weakness
A
Bell's palsy Sarcoidosis Lyme disease Brain tumour Stroke at pons Herpes zoster virus
4
Q
What is Bell’s palsy?
A
A type of lower motor neuron which affects the whole half of a face, so they can’t close one eye
5
Q
Bell’s phenomena
A
When you open the eye, you see the white of the eye ??
6
Q
Treatment for bells
A
Prednisolone
7
Q
What is a consequence of LMN lesion of the seventh nerve?
A
Corneal abrasians - because you’re not blinking
