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Path - Histo > Cerebrovascular disease > Flashcards

Cerebrovascular disease Flashcards

1
Q

Swelling of the brain causes loss of which anatomical pattern

A

Gyri

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2
Q

What is the normal ICP in an adult

A

7-15mmHg

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3
Q

what is the danger when ICP is too high

A

herniation of brain structuresa

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4
Q

what are the three sites of brain herniation

A

subfalcine
transtentorial / uncal
tonsillar

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5
Q

explain subfalcine herniation

A

cortex is pushed under thte rigid falx cerebri of the dura

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6
Q

explain transtentorial / uncal herniation

A

herniation of medial temporal lobe through tentorial notch

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7
Q

explain tonsillar herniation

A

cerebellum is pushed through foraamen magnum

CAN KILL

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8
Q

what procedure can cause tonsillar herniation

A

LP if raised ICP

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9
Q

what is a cavernous angioma

A

well defined malformative lesion of closely packed vessels with no parenchyma between vascular spaces

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10
Q

what kind of pressure to cavernous angiomas occur at

A

LOW pressure, causing recurrent small bleeds

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11
Q

What is the commonest cause of a SAH

A

berry aneurysm rupture

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Path - Histo (19 decks)

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