Stroke

Question 1

What are the causes of ischaemic strokes?

Answer 1

Thrombosis

Emboli

Failure of cerebral autoregulation

Question 2

What is the main cause of haemorrhagic stroke?

Answer 2

Aneurysm burst

Question 3

What do symptoms depend on?

Answer 3

Where the bleed occurs

Question 4

What are the three main areas that cause different symptoms from strokes?

Answer 4

Cerebral hemisphere infarct

Brainstem infarct

Lacunar infarct

Question 5

What are the symptoms of a cerebral hemisphere infarct?

Answer 5

Controlateral hemiplegia (paralysis)
- Inital flaccidy THEN rigidity 

Controlateral sensory loss

Homonymous hemianopia depending on area

Dysphasia

Question 6

What area of the brain would be responsible for causing dysphasia?

Answer 6

Area 44/45 - Brocas

Dysphasia means difficulty speech, aphasia means total loss of speech

Question 7

What artery would be responsible for a stroke causing Broca’s aphasia?

Answer 7

MCA

Question 8

What artery would be responsible for weakness and numbness of the trunk muscles down?

Answer 8

ACA