Tramatic Brain Injury

Question 1

Primary brain injury

Answer 1

Damage done to the brain from initial traumatic event e.g. concussions, lacerations, hematomas

Question 2

Concussions

Answer 2

Short duration of loss of consciousness, but do not result in histopathological lesion

Question 3

Contusions

Answer 3

Least severe of lesions.

Consist of parenchymal hemorrhage and edema.

Question 4

Laceration

Answer 4

Physical disruptions in the parenchyma

Question 5

Hematomas

Answer 5

If occurs within the parenchyma, subarachnoid, subdue always, and epidural space = increased pressure in the regions

Question 6

Secondary brain injury

Answer 6

Occurs as a consequence of events triggered by the initial injury

Question 7

Causes of secondary brain injury

Answer 7

Hypotension, hypoxia, systemic inflammation, hyperglycemia, hypoglycemia, hypercapnia, hyperthermia, electrolyte and acid-base imbalance = all causes an increase in ICP, cerebral edema, and neuronal death.