Non hypertensive inter cranial hemorrhages

Question 1

What are examples of non-hypertensive intracranial hemorrhages?

Answer 1

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

Question 2

What is the most common cause of Subarachnoid hemorrhage?

Answer 2

Saccular (berry) aneurysm Usually occurs in younger patients

Question 3

What are characteristics of a epidural hematoma?

Answer 3

occurs between dura and skull.

can be due to trauma

arterial bleed of middles meningeal artery

Question 4

What are the characteristics of a subdural hematoma?

Answer 4

Slow bleed

bridging veins

between dura and pia mater

Question 5

What are the classification of vascular abnormalities?

Answer 5

arteriovenous malformations,

cavernous malformations,

capillary telangiectasias,

venous angiomas.

Question 6

What is a cause of Arteriovenous malformations?

Answer 6

cause of seizure or “spontaneous” intracranial hemorrhage.

Question 7

When does bone marrow embolisms occur?

Answer 7

usually after a bone fracture

widespread hemohagic lesins are characteristic