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NSCI 6112: Neuroscience > Stroke Syndromes: Key Concepts > Flashcards

Stroke Syndromes: Key Concepts Flashcards

1
Q

Stroke is ____ due to high metabolic demands of the brain

A

abrupt (acute)

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2
Q

Stroke is ___, meaning it is a regional brain injury related to vascular territories

A

focal

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3
Q

____ is salvageable brain tissue in stroke and is targeted in acute stroke interventions

A

Pneumbra

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4
Q

Recovery of stroke symptoms is due to restoration of perfusion to what?

A

Pneumbra

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5
Q

Collateral circulation temporarily maintains viability of the ____

A

Pneumbra

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6
Q

What determines focal brain involvement?

A

vascular supply

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7
Q

What are the main presentations of a Left MCA stroke?

A
  1. Weakness and numbness of RIGHT face and arm

2. Aphasia (Left = Language)

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8
Q

What are the main presentations of a Right MCA stroke?

A
  1. Weakness and numbness of LEFT face and arm

2. Neglect (inattention to contralateral space)

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9
Q

What are the main presentations of an ACA stroke?

A

Weakness and numbness of CONTRALATERAL leg

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10
Q

What are the main presentations of a PCA stroke?

A

CONTRALATERAL visual field deficit

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11
Q

What structures are affected in a stroke of the basilar or vertebral arteries?

A

Cerebellum and Brainstem

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12
Q

What is a small vessel stroke also called?

A

Lacunar Stroke

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13
Q

The clinical symptoms of a Lacunar Stroke include:

  1. ___ cortical signs
  2. Entire ____ hemibody often affected
  3. ____ motor/sensory fiber deficits in more body parts than large vessel strokes (internal capsule, thalamus)
A

NO cortical signs
Contralateral
Descending

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14
Q

Ataxic hemiparesis affects ___ OR ____

A

ventral pons; internal capsule

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15
Q

Distribution of weakness and numbness is always what?

A

contralateral

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16
Q

Cortical signs include what?

A
  1. Aphasia
  2. Neglect
  3. Visual Field Deficits
17
Q

In large vessel strokes, what 2 arteries can be compromised?

A

MCA (face/arm weakness, numbness) or ACA (leg weakness, numbness)

18
Q

If cortical signs are present, what kind of stroke is it?

A

Large Vessel

19
Q

If cortical signs are absent, what kind of stroke is it?

A

Small Vessel

20
Q

Lacunar strokes include weakness and numbness of which body parts?

A

Face, Arm and Leg

NSCI 6112: Neuroscience (10 decks)

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