Neurovascular Anatomy Flashcards

1
Q

What are the main blood vessels in the brain?

A

-Right and left internal carotid arteries
Right and left vertebral arteries
-The basilar artery
-Right and left anterior cerebral arteries
-Right and left middle cerebral arteries
-Right and left posterior cerebral arteries
-Anterior communicating artery
-Right and left posterior communicating arteries

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2
Q

What is the prevalence of brain aneurysms?

A

2%

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3
Q

What is the incidence of subarachnoid haemorrhage?

A

6.9 per 100,000 person-years

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4
Q

How is the diagnosis of subarachnoid haemorrhage made?

A
  • History ad examination
  • Unenhanced CT
  • Exclusion of absence of blood products in CSF
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5
Q

What are common anatomical locations of aneurysms?

A

Most intracranial aneurysms arise from the branch points of the Circle of Willis

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6
Q

How are ruptured intracranial aneurysms treated?

A
  • Endovascular coil embolisation
  • Surgical clipping
  • Treating complications such as hydrocephalus, vasospastic infarcts and disability.
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7
Q

What does the right middle cerebral artery supply?

A

Left body strength and left body sensation

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8
Q

What does the left middle cerebral artery supply?

A

Right body strength and right body sensation and language

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9
Q

What does the right posterior cerebral artery supply?

A

Perception of the left visual field

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10
Q

What does the left posterior cerebral artery supply?

A

Perception of the right visual field

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11
Q

What is the cerebellum supplied by?

A

Posterior inferior, anterior inferior and superior cerebellar arteries

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12
Q

What do cerebellar strokes cause?

A

Ataxia and/or nystagmus

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13
Q

Other than stroke, what is another cause of acute cerebellar syndrome?

A

Alcohol intoxication

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