Non hypertensive inter cranial hemorrhages Flashcards Preview

pathology of intercranial COPY > Non hypertensive inter cranial hemorrhages > Flashcards

Flashcards in Non hypertensive inter cranial hemorrhages Deck (7)
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1

What are examples of non-hypertensive intracranial hemorrhages?

Intraparenchymal -amyloid angiopathy (ApoE) Subarachnoid - saccular aneurysms (berry anuerysym) Subdural and epidural hematomas Vascular malformations Emboli: bone marrow/fat (long bone fracture) Atherosclerotic aneurysm, rupture

2

What is the most common cause of Subarachnoid hemorrhage?

Saccular (berry) aneurysm Usually occurs in younger patients

3

What are characteristics of a epidural hematoma?

occurs between dura and skull.

can be due to trauma

arterial bleed of middles meningeal artery 

4

What are the characteristics of a subdural hematoma?

Slow bleed 

bridging veins 

between dura and pia mater 

5

What are the classification of vascular abnormalities?

arteriovenous malformations,

cavernous malformations,

capillary telangiectasias,

venous angiomas. 

6

What is a cause of Arteriovenous malformations?

cause of seizure or “spontaneous” intracranial hemorrhage.

7

When does bone marrow embolisms occur?

usually after a bone fracture 

widespread hemohagic lesins are characteristic