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NBB Test 1 > Mechanisms of Stroke > Flashcards

Mechanisms of Stroke Flashcards

1
Q

Used to treat a patient with an ischemic stroke

A

IV TPA

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2
Q

What are the contraindications for TPA?

A

Active bleeding, bleeding diathesis, or recent intracranial or spinal surgery, or serious head trauma

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3
Q

How many million neurons are lost in one hour of a stroke?

A

120 Million

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4
Q

The benefits of a thrombectomy decrease with

A

Time

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5
Q

Brain pain is a

A

Transient Ischemic Attack

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6
Q

Makes up 78% of strokes

A

Ischemic Stroke

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7
Q

Makes up 22% of strokes

A

Hemorrhagic Stroke

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8
Q

What are three complications with SAH?

A
  1. ) Rebleeding (24-48 hrs)
  2. ) Hydrocephalus (More than 24 hours)
  3. ) Vasospasm (7-10 days)
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9
Q

Fails at the extremes of blood pressure, cerebral blood flow

A

Autoregulation

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10
Q

Large vessels are named, and small vessels are unnamed

A

Perforators

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11
Q

The highest risk of stroke recurrence is

A

Cardioembolic sources

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12
Q

Subdivided into deep and lobar mechanisms

A

Hemorrhagic Stroke

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13
Q

Typically have a higher risk of bleed recurrence

A

Lobar Hemorrhages

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14
Q

Spontaneous subarachnoid hemorrhage is caused by

-Occurs at branchpoints in circle of willis

A

Saccular Aneurysms

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15
Q

An infarction in the ACA territory causes

A

Abulia, Amnesia, and contralateral leg weakness

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16
Q

Causes contralateral hemiparesis, facial paresis, and aphasia

A

MCA Territory Infarction

17
Q

Causes contralateral hemiparesis, hemianopia, behavioral abnormalities, and confusion

A

PCA Territory Infarction

18
Q

If the midbrain is involved in a PCA infarct, we will see

A

Ipsilateral CN3 palsy

19
Q

Causes contralateral hemisensory intranuclear opthalmoplegia and Ipsilateral horizontal gaze paralysis

A

Basilar Territory Infarction

20
Q

Causes ipsilateral appendicular ataxia

A

SCA territory Infarction

21
Q

Causes ipsilaterl ataxia and hearing loss and also vertigo

A

AICA Territory Infarction

NBB Test 1 (20 decks)

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