Artery territories and stroke outcomes

Question 1

What parts of the brain are supplied by the ACA?

Answer 1

Motor cortex- leg
Sensory cortex- leg
Supplementary motor area- speech initiation
Prefrontal cortex- volition, motivation, planning and organisation of complex behaviour

Question 2

If you had a left ACA infarct, what symptoms might you display?

Answer 2

Right leg- UMN weakness, sensory loss
Behavioural abnormalities
Grasp reflex
Behavioural abnormalities

Question 3

What parts of the brain are supplied by the MCA?

Answer 3

Broca’s area- expressive speech
Wernicke’s area- receptive speech
Motor cortex- head and arms
Sensory cortex- head, neck and arms
Basal ganglia- Initiation and control of movement
Internal capsule- Motor function of CN’s- (CNIII)

Question 4

Symptoms of superficial MCA infarct?

Answer 4

Face and arm UMN weakness contralateral side

Dysphasia (expressive and receptive)

Question 5

Symptoms of lenticulostriate MCA infarct?

Answer 5

Pure UMN hemiparesis

Aphasia

Question 6

PCA territory?

Answer 6

Occipital lobe- primary/secondary visual areas- sensation and interpretation of visual input
Splenium of corpus callosum- connects L & R visual centres
Thalamus- ascending/descending relay centre
Internal capsule- corticospinal tracts

Question 7

Right PCA infarct symptoms?

Answer 7

Left homonymous hemianopia
Left hemisensory loss
Left hemiparesis