Stroke by anatomy

Question 1

Anterior cerebral artery

Answer 1

contralateral hemiparesis and sensory loss, lower extremity > upper

Question 2

Middle cerebral artery

Answer 2

Contralateral hemiparesis and sensory loss, upper extremity > lower
Contralateral homonymous hemiananiopia
Aphasia

Question 3

Posterior cerebral artery

Answer 3

Contralateral homonymous hemianopia with macular sparing
Visual agnosia

Question 4

Weber’s syndrome
(post cerebral artery that supplies midbrain)

Answer 4

Ipsilateal CN III palsy
Contralateral weakness of upper and lower extremity

Question 5

Posterior inferior cerebellar artery (lateral medullary syndrome, Wallenburg)

Answer 5

Ipsilateral: Facial pain and temperature loss
Contralateral: limb/torso pain and temp loss
Ataxia, nystagmus

Question 6

Retinal/ophthalmic artery

Answer 6

Amaurosis fugax

Question 7

Basilar artery

Answer 7

Locked in syndrome

Question 8

Lacunar stroke

Answer 8

Isolated hemiparesis, hemisensory loss or hemiparesis with limb ataxia
Strong association with HTN

Question 9

Anterior inferior cerebellar artery (lateral pontine syndrome)

Answer 9

Symptoms are similar to Wallenberg’s (see above), but:
Ipsilateral: facial paralysis and deafness