Concussion

Question 1

mech of concussion

Answer 1

• unknown
• rotational acceleartion of brain
• axonal injury, biochemical
• NOT due to bleeding, tearing, brusing
• repetitive injury > cumulates

Question 2

def of concussion

Answer 2

immediate an temp alteration ofmental fn due to trauma
-brain injury
-no focal signs, diffuse
-

Question 3

diagnosis

Answer 3

clinically

-won’t show up on imaging

Question 4

prevention

Answer 4

• helmets do not prevent concussion
  1ry: no hits/checks
  2ry: recognize nd manage
  3ry: stop nd remove from actvity

Question 5

What is CTE?

Answer 5

chronic traumatic encephalopathy/Demenita puglistica

• looks drunk
• too many concussions
• brain atrophy
• accumulation of tau proteins > damage neurons

Question 6

Symptoms

Answer 6

early: 1 or more - amnesia, headaches, dizziness, nausea, LOC…
Later: hrs-days: memory, fatigue, vertigo, sensitiity to light, ringing…
Later: yrs: dementia, dperession, suicide

Question 7

Management

Answer 7

• ABC, LOC
• remove
• don’t leave alone
• monitor signs
• no meds
• see doctor
• physical and mental rest
• gradual return (at least 1 wk off)

Question 8

Wht si 2nd impact syndrome

Answer 8

• 2n concussion while still symptomatic from 1st
• malignant brain swelling, herniation of brain, increase ICP
• can be fatal