Nerves/ carpal tunnel/ulnar nerve palsy Flashcards
1
Q
What is C5 responsible for?
A
Shoulder abduction- it is the axillary nerve which supplies the deltoid muscle
2
Q
What is the role of the musculocutaneous nerve?
A
This comes from C6 and is the nerve which supplied the biceps and causes elbow flexion
3
Q
How does a third nerve palsy present?
A
Eye is deviated- down and out
Ptosis
Eye may be dilated
4
Q
What are the causes of a third nerve palsy?
A
Diabetes mellitus Vasculitis- temporal arteritis, SLE False localizing sign (uncal herniation through tentorium if raised ICP) Cavernous sinus thrombosis MS
