Neurovascular Anatomy (Aneurysms and Stroke)

Question 1

Bunch of pictures of vasculature of the brain, no notes on the first lot of slides so learn the brain vasculature

Answer 1

wow

Question 2

How is a subarachnoid haemorrhage usually diagnosed?

Answer 2

• History and examination
• CT scan
• Exclusion by absence of blood products in the CSF

Question 3

What is a subarachnoid haemorrhage?

Answer 3

• Bleeding into the subarachnoid space, between the arachnoid and pia mater of the meninges

Question 4

Where do most intracranial aneurysms arise?

Answer 4

The branch points of the Circle of Willis

Question 5

Ways to treat intracranial aneurysms?

Answer 5

• Endovascular coil embolization
• Surgical clipping
• Treat complications (hydrocephalus/vasopastic infarcts)

Question 6

What is endovascular coil embolization?

Answer 6

Catheter passed up the femoral artery to the brain, releases coils into the aneurysm which induce clotting

Question 7

Which cerebral artery supplied left body strength and sensation?

Answer 7

The right middle cerebral artery (MCA)

• Surely Right ACA as well?

Question 8

Which cerebral artery supplies right body strength, sensation and language?

Answer 8

The left middle cerebral artery

Question 9

Which cerebral artery supplies perception of the left visual field?

Answer 9

• The right posterior cerebral artery

and vice versa

Question 10

Which arteries supply the cerebellum?

Answer 10

• The posterior inferior cerebellar artery
• The anterior inferior cerebellar artery
• The superior cerebellar artery

Question 11

Signs of cerebellar stroke?

Answer 11

• Ataxia

- Nystagmus