Neurosurgery

Question 1

Indication for surgical evacuation of epidural hematomas

Answer 1

> 1.5cm or >5mm midline shift

Question 2

Early findings of uncal herniation; nerve involved

Answer 2

Anisocoria, ptosis, impaired EOM, sluggish pupillary response, CNIII

Question 3

GCS best predictor of long term outcome with TBI

Answer 3

Motor

Question 4

Dominant fuel source for brain in >24hr fasting

Answer 4

Ketones

Question 5

Prerequisites to brain death testing

Answer 5

Temp 97, SBP >90, DI corrected, Normal PCO2.

Question 6

Hypotension, bradycardia, warm extremities in spinal trauma

Answer 6

Neurogenic shock

Question 7

Seatbelt sign and paraplegia; injury

Answer 7

Chance fracture

Question 8

50pack/yrs with transient monocular blindness; dx and MOA

Answer 8

Ipsilateral carotid artery stenosis >70%, emboli from ICA to first branch (ophthalmic art)