Random 4th Year Bits

Question 1

what is cervical spondylosis?

Answer 1

degeneration of the cervical spine

Question 2

presentation of root compression?

Answer 2

electrical sensations with numbness and only LMN signs

Question 3

cord compression signs

Answer 3

progressive symptoms
LMN arms
UMN legs
incontinence

Question 4

risks in EEG

Answer 4

hyperventilation
photic stimulation
evoking a seizure
use of video

Question 5

what causes hyperventilation risks?

Answer 5

vigorous deep breathing for 3 minutes results in transient respiratory alkalosis leading to constriction of cerebral blood vessels decreasing O2 to the brain

Question 6

what is moya moya disease?

Answer 6

progressive narrowing of arteries in the brain

Question 7

what is a spike in an EEG defined as?

Answer 7

interictal epileptiform discharges with a duration of <70ms

a sharp is 70-120ms

Question 8

which lobe of the brain does herpes simplex affect?

Answer 8

temporal

Question 9

Cushings reflex

Answer 9

ICP and MAP become very high causing normal CPP
high BP and low HR in context of brain injury
wide pulse pressure