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Flashcards in Concussion Deck (24):
1

concussion stats

most common brain injury - 200,000 per year

2

2 reasons brain injury is important

1. cause of half of all trauma deaths
2. most common cause of perm disability

3

def. of concussion

immediate and temp alteration of mental functioning due to trauma

4

what is mech of concussion

unknown, but rotational acceleration more important than linear accel - axonal injury may occur

5

what is concussion NOT due to

bleeding, tearing or bruising of brain

6

6 common causes of concussion

1. MVA
2. falls
3. work
4. sports
5. military
6. spouse abuse

7

what is conseq. of multiple concussion

brain degen

8

what are early Sx of concussion

One of:
1. amnesia
2. loss of consc.
3. headache
4. dizziness
5. nausea
6. poor concentration
7. loss of vision
8. vomiting

9

later Sx of concussion

1. memory loss
2. fatigue
3. blurred vision
4. vertigo
5. light sensitivity

10

3 Late late Sx

1. depression
2. dementia
3. suicide

11

how common is loss of conscious

5-10% only - just for a few minutes

12

can you diagnose with CT or MRI?

NO - almost always looks fine

13

what are diagnosis probs.

clinical diagnosis - bad docs and lying patients

14

6 steps to return to play

1. rest
2. light aerobic
3. sport specific
4. drills without contact
5. drills with contact
6. play

15

what happens if Sx return

go back to step 1 and have evaluated

16

what are permanent termination modifiers (4)

1. continuing Sx or signs
2. multiple conc. over a short period
3. long duration to recover
4. lesions seen on MRI/CT

17

what is issue with return to learn or work

more complex and needs to be individualized with a physician

18

when to use baseline testing

just use SCAT-3 as it's cheap

19

when is detailed neuropsych testing useful

cog. deficits and emotional changes

20

what is second impact syndrome

from a second concussion when first one is still healing

21

what is problem with SIS

cerebrovasclar congestion and edema and can be fatal

22

what is chronic traumatic encephalopathy

many little concussions over time - leads to intellectual decline and balance problems

23

what is mech of CTE

deposition of tau proteins in the neuronal cell bodies

24

what is only biomarker for CTE

tau on autopsy

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