Neuro B TBI Flashcards

1
Q

TBI measure

A

Glasgow Coma Scale

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2
Q

GCS 3 parts

A
  1. Eyes
  2. Verbal
  3. Motor
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3
Q

Cutoff for mild TBI

LOC, GCS, Amnesia

A

LOC > 30min
GCS < 13 after 30min
Amnesia after 24 hours

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4
Q

Definition:
Concussion
mTBI

A
  • Altered function

- Pathological brain state

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5
Q

Concussion measurements

A

MS changes, LOC

Amnesia not criteria

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6
Q

3 Places likely for Coup/Contra Coup

A
  1. Base of Frontal Lobes
  2. Ant. Tips of Temporal Lobes
  3. Occipital Lbes
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7
Q

Diffuse Axonal Injury

A
  • Due to centripetal forces

- Not found on imaging

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8
Q

Diffuse Axonal Injury histological finding

A

Retraction balls

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9
Q

Phase 2 of Injury

A

Brain edema

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10
Q

Phase 2 cause

A

NT cascade (Glutamate -> massive depolarization -> ATP depletion)

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11
Q

Post Concussion Syndrome Tx

A
  • Neuropsych evaluation
  • Sleep Regulation
  • Understanding
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12
Q

C 3,4,5

A

Diaphragm

Top of the shoulder sensory

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13
Q

C 5,6

A

Elbow flexion

Thumb sensory

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14
Q

L 5

A

Great toe/foot dorsiflexion

Lateral calf sensory

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15
Q

S 2,3,4

A

Anal sphincter tone

Perianal sensory

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16
Q

Sympathetic fibers arise from

A

Thoracic and Lumbar vertebrae

17
Q

Brown Sequard Syndrome

A

Complete hemisection

  • Ipsilateral loss of most things
  • Contralateral pain & temp
  • Bladder and bowel dysfunction
18
Q

Anterior Cord Syndrome

A
  • Variable loss of motor, pain & temperature

- Vibration & Proprioception are preserved

19
Q

Central Cord Syndrome

A

Occurs with cervical hyperextension

  • Weakness in upper extremities, normal lower extremities
  • Bladder dysfunction
20
Q

Cauda Equina Syndrome

A

Fracture below L2

  • Leg pain
  • Flaccid paralysis of lower body
21
Q

Neurogenic Shock

A

Loss of autonomic function at level of injury

  • Distal flaccid paralysis
  • Loss of sympathetic tone
22
Q

Spinal injury incidence

A

M>F, mostly MVA