DOC

Question 1

Diffuse axonal injuries occur due to what

Answer 1

shearing of axons
all over the place

Question 2

Prognosis for DAI? why?

Answer 2

poor because it is a bunch microtraumas on important structures in brain

Question 3

DAI are anchors in the center of the brain. what are the 4 areas affected

Answer 3

Corpus Callosum
Basal Ganglia
Brainstem
Cerebellum

Question 4

What are the most vulnerable areas in Anoxic/Hypoxic Brain Injury?

Answer 4

Cognition
1. Hippocampus- STM loss
2. associated areas (language, visual, apraxia), executive fxn
Motor:
1. Cerebellum- ataxia; Basal ganglia- tone

Question 5

Blast/ Overpressure Injuries damage —- and end result

Answer 5

damages connections between neurons
end result
DAI, edema, contusion, hemorrhages…

Question 6

Uncal herniation - location and what it affects

Answer 6

temporal lobe and compress midbrain
Affects CN III- pupil dilates, eye “down and out”

Question 7

central herniation location and what it affects

Answer 7

temporal lobes and cerebral hemispheres through tentorium cerbelli
Affects Basilar artery- most fatal

Question 8

Tonsillar herniation location and what it affects

Answer 8

cerebellum moved through the foramen magnum
Respiratory and cardiac fluctuations
3,4,5 keep diaphragm alive