Occulomotor Nerve Palsy

Question 1

If an oculomotor nerve palsy is painful and involves the pupil, what urgent investigation needs to be done

Answer 1

CT/MRI

Question 2

Symptoms and signs of oculomotor nerve palsy (3 general, 2 specific to surgical type)

Answer 2

Diplopia

Complete ptosis

Down and out pupil

If surgical palsy:

Pain

Dilated pupil

Question 3

What underlying medical condition can cause the medical type of oculomotor nerve palsy?

Answer 3

MS

Question 4

Causes of surgical type of oculomotor nerve palsy (4)

Answer 4

Tumour

Posterior communicating artery aneurysm

Cavernous sinus thrombosis

Transtentorial herniation