Neuro

Question 1

Cerebral blood flow

Answer 1

55ml/min/100g brain tissue

Question 2

Intracranial pressure

Answer 2

5-15mmhg

Question 3

Cerebral perfusion pressure

Answer 3

CPP = map - ICP normal CPP 75- 105 mmhg

Question 4

Indication for head CT in TBI

Answer 4

Within 1 hour
GCS <15 at any point
GCS <13 at 2hours
Suspected open, depressed or base of skull #
> 1 episodes of vomiting
Post traumatic seizures
Focal neurological deficit

Within 8 hours
Age>65
Coagulopathy
Retrograde amnesia
Dangerous MOI

Question 5

Dorsiflexion of Big toe

Answer 5

L5