Stroke Flashcards
1
Q
Define a stoke
A
- acute onset of focal neurological symptoms and signs, due to desruption of blood supply
2
Q
What are the two types of stoke?
A
- ischaemic
- haemorrhagic
3
Q
What is the most common type of stroke?
A
- ischaemic
4
Q
Define an ischaemic stroke
A
- clot blocks blood flow to an area of the brain
5
Q
Define a haemorrhagic stroke
A
- bleeding occcurs inside or around brain tissue
6
Q
What are causes of haemorrhagic strokes?
A
- high blood pressure
- weakend blood vessel walls (aneurysm or vasculitis)
7
Q
Define thrombotic
A
- clot blocking artery at the site of occlusion
8
Q
Define embolic
A
- clot blocking artery has travelled to the artery it occuludes
9
Q
Define hypoperfusion
A
- due to reduced blood flow due to stenosed artery rather than occlusion of artery
10
Q
What are potentially reversible risk factors for strokes?
A
- hyperlipidaemia
- hypertension
- smoking
- AF
11
Q
What drug should be given to prevent furture strokes in a patient who has suffered an ischaemic stroke?
A
- statins
12
Q
What way is a stroke diagnosed?
A
- CT brain
- MRI
13
Q
What should a young patient be screened for if they present with a stroke?
A
- thrombophillia
14
Q
Atheroembolism?
A
- embolism from a thrombus forming on a atheroscleroting plaque
- same side as affected carotid artery
15
Q
Cardioembolism?
A
- embolism from a clot formed in the heart
- usually left artium
- ECG