Cerebral arteries Flashcards

1
Q
A
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2
Q
A
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3
Q
A
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4
Q

Watershed Zones

A

Between anterior cerebral/middle cerebral and posterior cerebral/middle cerebral

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5
Q

Watershed Zone damage:

A

Damage seen in severe hypotension

Upper leg/ upper arm weakness, defects in higher-order visual processing

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6
Q
A

Epidural hematoma

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7
Q
A

Subdural Hemorrhage

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8
Q
A

Subarachnoid hemorrhage

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9
Q
A

Intraparenchymal hemorrhage

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10
Q

Histologic features seen 12-48 hours post ischemic event:

A

red neurons

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11
Q

Histologic features seen 24-72 hours post ischemic event:

A

neutrophils + necrosis

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12
Q

Histologic features seen 3-5 days post ischemic event:

A

macrophages (microglia)

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13
Q

Histologic features seen 1-2 weeks post ischemic event:

A

reactive gliosis + vascular proliferation

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14
Q

Histologic features seen >2 weeks post ischemic event:

A

glial scar

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