SCI Flashcards

1
Q

DCML Tract controls…

A

-Fine touch
-Proprio
-Vibration

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2
Q

2-pt Discrimination assesses what? Explain the procedure

A

DCML
Ability to discern whether 2 separate objects versus just one touching the skin

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3
Q

Sterognosis assesses what? Explain the procedure

A

DCML
Identify objects with eyes closed

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4
Q

Barognosis assesses what? Explain the procedure

A

DCML (pressure)
Put 2 objects in each hand, identify which is heavier

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5
Q

Graphesthesia assesses what? Explain the procedure

A

DCML
Like drawing on the back & have them guess

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6
Q

Anterior Spinothalamic Tract controls…

A

Crude touch

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7
Q

Crude touch vs fine touch

A

Crude = just yes or no
Fine = localizing where the touch is

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8
Q

Lateral Spinothalamic Tract controls…

A

Pain & temp

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9
Q

Corticospinal Tract controls…

A

Motor function

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10
Q

Posterior SCI Syndrome: MOI

A

Iatrogenic (medical error)

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11
Q

Posterior SCI Syndrome: tract(s) involved

A

DCML (usually bilateral)

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12
Q

Posterior SCI Syndrome: what is impaired

A

-Proprio
-Fine touch
-Vibration
Sxs on the same side (if unilateral)

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13
Q

Anterior SCI Syndrome: MOI

A

Hyperflexion

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14
Q

Anterior SCI Syndrome: tract(s) involved

A

Spinothalamic & Corticospinal (usually bilateral)

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15
Q

Anterior SCI Syndrome: what is impaired?

A

-Pain & temp (opp side if unilateral)
-Motor (same side if unilateral)

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16
Q

Brown Sequard Syndrome: MOI

A

Hemi-section (gunshot, stab)

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17
Q

Brown Sequard Syndrome: tract(s) involved

A

DCML
Spinothalamic
Corticospinal

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18
Q

Brown Sequard Syndrome: what is impaired?

A

Same side: sensory & motor
Opp side: pain & temp

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19
Q

Central SCI Syndrome: MOI

A

Hyperextension

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20
Q

Central SCI Syndrome (small lesion): tract(s) involved

A

Lateral spinothalamic

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21
Q

Central SCI Syndrome (large lesion): tract(s) involved

A

DCML
Lateral Spinothalamic
Anterior Spinothalamic
Corticospinal

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22
Q

Central SCI Syndrome (small lesion): what is impaired?

A

Pain & temp (bilateral)

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23
Q

Central SCI Syndrome (large lesion): what is impaired?

A

Partial loss of everything (bilateral).
UE motor more affected bc central part of corticospinal = UE.

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24
Q

Conus Medullaris vs Cauda Equina: location

A

Conus Medullaris: end of spinal cord (~L1)
Cauda Equina: horse tail, nerves extending down

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25
Q

Conus Medullaris vs Cauda Equina: presents like

A

Conus Medullaris: UMN + LMN
Cauda Equina: LMN

26
Q

Conus Medullaris vs Cauda Equina: symmetry of sxs

A

Conus Medullaris: bilateral symmetric
Cauda Equina: unilateral asymmetric

27
Q

Conus Medullaris vs Cauda Equina: key symptoms

A

Both: saddle anesthesia, bowel/bladder

28
Q

Conus Medullaris vs Cauda Equina: medical emergency?

A

Both = YES

29
Q

Key differentiation between Complete vs Incomplete SCI

A

Complete: NO sensory or motor function at S4-S5 (perineal).
Incomplete: “sacral sparing” - sensory and/or motor intact at S4-S5

30
Q

ASIA Motor Level

A

Lowest level that has at least 3/5 bilaterally.
Everything above is 5/5.

31
Q

ASIA Sensory Level

A

Lowest level where both light touch & pinprick are 2/2 bilaterally.
Everything above is 2/2.

32
Q

How to determine NLI

A

Between motor & sensory levels, pick the one that is most superior.
E.g., if sensory is C7 and motor is C8, NLI is C7.

33
Q

ASIA motor grading scale

A

Same as MMT

34
Q

ASIA sensory grading scale

A

0 = absent
1 = impaired
2 = normal

35
Q

ASIA A definition

A

Complete SCI
No motor/sensory at S4-S5

36
Q

ASIA B definition

A

Incomplete SCI
Sensory present below NLI

37
Q

ASIA C definition

A

Incomplete SCI
< half mm below NLI are >/=3

38
Q

ASIA D definition

A

Incomplete SCI
> half mm below NLI are >/=3

39
Q

ASIA E definition

A

No SCI
Normal

40
Q

Common cardiac complications

A

Orthostatic hypotension
Autonomic dysreflexia
Respiratory dysfunction

41
Q

Common non-cardiac complications

A

Urinary/bowel retention or incontinence
Pressure ulcers
Contractures
Mm weakness
Mm tone

42
Q

Autonomic Dysreflexia: most often occurs under what circumstances

A

Injuries at/above T6
Typically Complete (ASIA A)
Typically 3-6mo after injury

43
Q

Autonomic Dysreflexia: cause

A

Noxious stimuli below level of lesion

44
Q

Autonomic Dysreflexia: key dx criteria

A

SBP increase by 20-30mmHg

45
Q

Autonomic Dysreflexia: common sxs

A

-Decreased HR
-Severe HA
-Constricted pupils, blurred vision
-Increased spasticity
-Confusion, anxiety
-Flushing & piloerection above level of lesion
-Dry, pale skin below level of lesion

46
Q

Autonomic Dysreflexia: intervention

A

MED EMERGENCY!
-Sit them up, lower the legs.
-Remove painful stimuli (unclamp & drain catheter, loosen clothing, remove abdominal binder).
-Monitor vitals (if no improvement, Rx management needed).

47
Q

At what level of injury is respiratory function near-normal?

A

T11 and below

48
Q

Bowel & bladder function is controlled by…

A

S2-S4

49
Q

Reflexic Bladder: definition & where is the injury located?

A

AKA spastic or UMN bladder
Injury above S2

50
Q

Areflexic Bladder: definition & where is the injury located?

A

AKA Flaccid or LMN bladder
Injury at/below S2

51
Q

Reflexic Bladder: treatments

A

-Intermittent catheter
-Suprapubic tapping

52
Q

Areflexic Bladder: treatments

A

-Intermittent catheter
-Valsalva maneuver
-Crede’s maneuver

53
Q

CTSIB Conditions

A

1: EO, stable
2: EC, stable
3: Conflict, stable
4: EO, unstable
5: EC, unstable
6: Conflict, unstable

54
Q

If a pt falls in CTSIB Condition 1, which systems are affected & which systems are they dependent on?

A

Affected: all 3
Dependent: none

55
Q

If a pt falls in CTSIB Condition 2, which systems are affected & which systems are they dependent on?

A

Affected: somatosensory
Dependent: vision

56
Q

If a pt falls in CTSIB Condition 3, which systems are affected & which systems are they dependent on?

A

Affected: somatosensory
Dependent: vision

57
Q

If a pt falls in CTSIB Condition 4, which systems are affected & which systems are they dependent on?

A

Affected: vision
Dependent: somatosensory

58
Q

If a pt falls in CTSIB Condition 5, which systems are affected & which systems are they dependent on?

A

Affected: vestib
Dependent: somatosensory & vision

59
Q

If a pt falls in CTSIB Condition 6, which systems are affected & which systems are they dependent on?

A

Affected: vestib
Dependent: somatosensory & vision

60
Q

If a pt is dependent on VISION, which CTSIB conditions will be most unstable?

A

2, 3, 5, 6

61
Q

If a pt is dependent on SOMATOSENSORY, which CTSIB conditions will be most unstable?

A

4, 5, 6

62
Q

If a pt is dependent on VESTIBULAR, which CTSIB conditions will be most unstable?

A

5, 6