57. Neurosurgery

Question 1

CO to the brain

Answer 1

12-15%

Question 2

Hunt Hess clasification

Answer 2

1-5
1. Asymptomatic, minor
2. Mid-severe headache
3. Confusion
4. Stupor hemiparesis
or 3 + HT/DM/COPD/severe vasospam
5. Deep coma

Question 3

WFNS classification

Answer 3

1. GCS 15
2. 13-14 w/o deficit
3. 13/14 with deficit
4. 7-12
5. 3-6

Question 4

SAH Charac

Answer 4

ST depression + canyon T
No predictor for mortality
4-10 days after SAH risk of spasm

Question 5

TBI with GCS < 8, risk for cervical injury

Answer 5

8-10%.
< GCS 8 intubation

Question 6

Hormonal function lost in sequence

Answer 6

1. GDT 2. GH 3. ACTH 4. TSH

Question 7

Nimodipine

Answer 7

CCB. Decrease the incidence of morbidity of cerebral ischemia after SAM

Question 8

How much time does hyperventilation take to affect CBF and ICP

Answer 8

8-12 hours