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FA - Neurology > Neuro9 > Flashcards

Neuro9 Flashcards

Intracranial Hemorrhage

1
Q

Epidural hematoma results from a rupture of what?

A

Middle Meningeal Artery

*often 2˚ to fracture of Temporal bone

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2
Q

Subdural hematoma results from a rupture of what?

A

Bridging veins

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3
Q

Epidural or Subdural:

-Lucid Interval

A

Epidural

“talk and die” phenomena

*patient recovers after trauma, seems fine death quickly follows

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4
Q

Epidural or Subdural:

  • Crescent-shaped lesion on CT
  • Biconcave (lentiform) lesion on CT
A

Subdural = Crescent

Epidural = Lentiform (biconcave)

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5
Q

Epidural or Subdural:

  • High Pressure
  • Low Pressure
A

Epidural = High

Subdural = Low

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6
Q

Epidural or Subdural:

-Common in elderly

A

Subdural

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7
Q

Epidural or Subdural:

-Alcoholics

A

Subdural

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8
Q

Epidural or Subdural:

-Blunt trauma

A

Subdural

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9
Q

Epidural or Subdural:

-Crosses suture lines

A

Subdural

epidural = does NOT cross suture lines

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10
Q

Epidural or Subdural:

Can cross falx, tentorium

A

Epidural

subdural = does NOT cross falx, tentorium

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11
Q

Epidural or Subdural:

-Progressive neurological signs

A

Subdural

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12
Q

Epidural or Subdural:

-Transtentorial herniation

A

Epidural

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13
Q

Epidural or Subdural:

-CNIII palsy

A

Epidural

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14
Q

Epidural or Subdural:

-Hyperdense blood collection

A

Epidural

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15
Q

Epidural or Subdural:

-Midline shift

A

Subdural

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16
Q

Where is the blood in an Epidural hematoma?

A

Between Skull and Dura mater

17
Q

Where is the blood in a Subdural hematoma?

A

Between Dura & Arachnoid

18
Q

Epidural or Subdural:

-More common

A

Subdural

19
Q

What is the most common cause of a Subarachnoid hemorrhage?

A

Rupture of a berry aneurysm
- Anterior circle of Willis @ branch points of Anterior Communicating Artery

*also ArterioVenous Malformation (AVM)

20
Q

What are the symptoms of a Subarachnoid hemorrhage?

A

“Worst Headache of my Life” (WHOML)

Nuchal Rigidity

21
Q

What makes Berry Aneurysms more likely in some congenital syndromes?

A

Lack tunica Media & Elastic lamina (congenital)

*Marfan’s, Ehlers-Danlos, ADPKD

22
Q

Where is the blood in a subarachnoid hemorrhage?

A

Area between the arachnoid membrane and the pia mater surrounding the brain.

23
Q

What is the diagnostic technique of choice for a subarachnoid hemorrhage?

A

CT w/o Contrast

24
Q

What should you do if CT comes back negative but you still suspect a subarachnoid hemorrhage?

A

Lumbar puncture

- Bloody or Yellow (Xanthochromic) CSF

25
Q

What is the most common cause of an Intraparenchymal hemorrhage?

A

Systemic HYPERtension

26
Q

Where does an intraparanchymal hemorrhage typically occur?

A

Basal Ganglia & Internal Capsule
- Charcot-Bouchard aneurysms of Lenticulostriate vessels

*can also be lobar

FA - Neurology (22 decks)

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