Cerebral Aneurysms and Basic Stroke

Question 1

Where are cerebral aneurysm most likely to occur in the intracranial vascular system?

Answer 1

Most intracranial aneurysms arise from the branch points of the Circle of Willis

Question 2

What is used to diagnose a subarachnoid haemorrhage?

Answer 2

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

Question 3

What is the treatment of ruptures of an intracranial aneurysms?

Answer 3

• Endovascular coil embolisation
• Surgical clipping
• Treatment of complications; hydrocephalus, vasospastic infarcts and disability

Question 4

What does the right middle cerebral artery supply?

Answer 4

Left body strength and left body sensation

Question 5

What does the left middle cerebral artery supply?

Answer 5

Right body strength, right body sensation and language

Question 6

What does the right posterior cerebral artery supply?

Answer 6

Perception of the left visual field

Question 7

What does the left posterior cerebral artery supply?

Answer 7

Perception of the right visual field

Question 8

Which arteries supply the cerebellum?

Answer 8

Posterior inferior, anterior inferior and superior cerebellar arteries

Question 9

What can cerebellar strokes cause?

Answer 9

Ataxia and/or nystagmus

Question 10

Name a cause of acute cerebellar syndrome

Answer 10

Alcohol intoxication