Exam 4 Neuro Trauma: Spinal Flashcards Preview

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Flashcards in Exam 4 Neuro Trauma: Spinal Deck (19):
1

Hangman's Fxr is?

Mechanism of Injury?

Results in?

Fxr of both pedicles of C2

Hyperextension w/ compression

U instantaneous death from cord transection

2

Jefferson Fxr is?

MOI?

Results in?

Most C fxr of C1

Axial compression

U no cord damage (canal diameter not compromised)

3

C-spine fxrs may cause damage to what aa?

Vertebral aa

4

Herniated Disk Dz result of what?

Most C site?

Spontaneous
Trauma

Lumbar

5

Herniated Disk Dz presentation:

Cervical or Thoracic?

Lumbar?

Radiculopathy
Myelopathy

Radiculopathy (Sensory and Motor)

6

Herniated Disk Dz imaging?

MRI best

7

Nerve roots affect what mm:

C5

C6

C7

C5 = deltoid/biceps

C6 = extensor carpi radialis (wrist extension and abduction)

C7 = triceps

8

Nerve roots affect what mm:

L3

L4

L5

S1

L3 = quads

L4 = hamstrings and tibialis anterior

L5 = extensor hallucis longus (big two extension, dorsiflex/evert/invert foot) and tibialis (dorsiflex/inversion)

S1 = gastrocnemius

9

C2 Fxr Type I:

Where?

Stable/Unstable?

Tx?

Tip of dens

Unstable

Surgery vs Halo

10

C2 Fxr Type II:

Where?

Stable/Unstable?

Tx?

Most C type
Base of dens

Unstable

Surgery vs Halo

11

C2 Fxr Type III:

Where?

Stable/Unstable?

Tx?

Base/body

Stable

Halo vs Collar

12

Cauda Equina Synd?

Neuro emergency
Radiculopathy
Bilat legs mm weakness
Saddle anesthesia
Urine retention
↓ anal sphincter tone

13

Central Cord Syndrome is?

Caused by?

Most C INcomplete spinal cord injury (SCI)

Congenital or arthritis stenosis
Hyperextension

14

Central Cord Syndrome presentation? (3)

Tx?

Motor deficit: Upper > Lower
"Man-in-Barrel" (can't abduct arms)
Upper sensation loss
DYSESTHESIA (painful/abnormal sense of touch)

Surgical decompression

15

Brown-Sequard is?

Hemi-section of spinal cord
U from penetration, epidural hematoma, herniated nucleus pulposus

16

Brown-Sequard presentation?

Contralat:
Loss of pain/temp
Retained light touch

Ipsilat:
Loss of proprioception/vibratory
Motor paralysis

17

Brown-Sequard tx?

Immobilize supine w/ collar
Airway
Surgery

18

Damage to C2-4 affects breathing how?

Apnea from paralysis of diaphragm

19

Damage to C5-6 affects breathing how?

Weak or paralysis of intercostal mm