Neurosurgery

Question 1

What vessel is affected in epidural hematoma

Answer 1

Middle meningial a

Question 2

Vessel affected in subdural hematoma

Answer 2

Cortical bridging veins

Question 3

Vessel affected in subarachnoid hemorrhage

Answer 3

Circle of Willis and MCA

Question 4

What can u give pts to prevent vasospasm and prevent 2ndary infarcts after subarachnoid hemorrhage

Answer 4

Nimodipine

Question 5

What are the four (5?) classic signs of a basilar skull fracture?

Answer 5

Raccoon eyes
Battles sign (bruise over mastoid process)
Hemotympanum
CSF rhinorrhea
Otorrhea

Question 6

Differential dx for a ring enhancing lesion

Answer 6

Toxoplasmosis

Lymphoma

Question 7

Ventricle Dilation after neuron loss

Answer 7

Hydrocephalus ex vacuo

*normal ICP is always communicating

Question 8

What are 2 causes of increased ICP hydrocephalus?

Answer 8

(Communicating) Pseudo tumor cerebri

Or non communicating hydrocephalus

Question 9

When is surgery recommended for aaa?

Answer 9

Infarenal and juxtarenal aneurysms >5.5 cm

Question 10

Pt with AAA dz comes in w GI bleed

Answer 10

Aortoduodenal fistula