CVA

Question 1

Define CVA

Answer 1

Cerebral vascular accident is a rapid loss of brain function due to disrupted blood supply to the brain, either due to ischaemia or haemorrhage

Question 2

2 types of ischaemic blockages

Answer 2

Embolus- forms elsewhere and travels to block cerebral arteries
Thrombus- forms in cerebral arteries

Question 3

Risk factors

Answer 3

Obese, high bp, diet- high LDL, HIgh cholesterol, inactive, smoker

Question 4

What 4 arteries supply the brain

Answer 4

2 internal carotid arteries (ant) and 2 vertebral arteries (post)

Question 5

What areas do middle cerebral arteries supply

Answer 5

Frontal lobe, basal ganglia, motor- sensory cortex, Broca’s area

Question 6

What areas does anterior cerebral artery supply

Answer 6

Frontal lobe, somatosensory cortex,

Question 7

Posterior cerebral artery supplies what

Answer 7

Occipital, temporal (wernickes), thalamus

Question 8

Basilar artery supplies what areas

Answer 8

Brain stem (pons, medulla, midbrain), cerebellum, nuclei of cranial nerves

Question 9

How are ischaemic strokes classified

Answer 9

Bamford- TACS, PACS, POCS, LACS

Question 10

CVA facts

Answer 10

80% ischaemic

Middle cerebral artery most commonly affected (frontal, motor sensory and basal ganglia affected)