Stroke by anatomy

Question 1

Associated effects of

Anterior cerebral artery lesion

Answer 1

Contralateral hemiaparesis and sensory loss

Lower extremity > upper extremity

Question 2

Associated effects of

Middle cerebral artery lesion

Answer 2

Contralateral hemiparesis and sensory loss
Upper extremity > Lower extremity
Contralateral homonymous hemianopia
Aphasia

Question 3

Associated effects of

Posterior cerebral artery lesion

Answer 3

Contralateral homonymous hemianopia with macular sparing

Visual agnosia

Question 4

Associated effects of

Weber’s syndorme

Answer 4

Branches of posterior cerebral artery that supply the midbrain

Ipsilateral CN III palsy
Contralateral weakness of upper and lower extremity

Question 5

Associated effects of

Posterior inferior cerebellar artery lesion

Answer 5

Lateral medullary syndrome
Wallenberg syndrome

Ipsilateral facial pain and temperature loss
Contralateral: limb/torso pain and temperature loss
Ataxia
Nystagmus

Question 6

Associated effects of

Anterior inferior cerebellar artery lesion

Answer 6

Lateral pontine syndrome

Ipsilateral facial paralysis and deafness
Contralateral: limb/torso pain and temperature loss
Ataxia
Nystagmus

Question 7

Associated effects of

Retinal/ophthalmic artery lesion

Answer 7

Amaurosis fugax

Question 8

Associated effects of

Basilar artery lesion

Answer 8

Locked in syndrome

Question 9

Common sites of lacunar stroke?

Answer 9

BAsal ganglia
Thalamus
Internal capsule