Blood Supply

Question 1

Anterior cerebral artery syndrome

Answer 1

Supplies anterior 2/3 of medial cerebral cortex

Question 2

S/s of lesions involving MCA & ACA

Answer 2

Massive edema, brain herniation, death

Question 3

MCA syndrome

Answer 3

Supplies lateral cerebral cortex, basal ganglia, & large portions of internal capsule

Question 4

Medial medullary syndrome

Answer 4

Occlusion of vertebral, posterior inferior cerebellar, or basilar artery

Question 5

Basilar artery syndrome

Answer 5

Produces brainstem s/s, & PCA s/s

Locked-in syndrome (occlusion above pons level- literally can only blink- comprehend but cant move or speak)

Question 6

Medial inferior pontine syndrome

Answer 6

Occlusion of paramedian branch of basilar artery

Question 7

Lateral inferior pointing syndrome

Answer 7

Occlusion of anterior inferior cerebellar artery

Question 8

PCA syndrome

Answer 8

PCA & posterior communicating arteries supply midbrain, temporal lobe, diencephalon, & posterior 1/3 of cortex
Occlusion prox to posterior communicating artery produce minimal deficits owing to collateral circulation