Stroke

Question 1

What do lacunar infarcts involve

Answer 1

perforating arteries around the thalamus, internal capsule and basal ganglia

Question 2

lacunar infarcts presentation

Answer 2

1 of the following:

• unlateral weakness of face and arm, arm and leg, or all 3
• pure sensory stroke
• ataxic hemiparesis

Question 3

what arteries do posterior circulation infarcts involve

Answer 3

vertebrobasilar arteries

Question 4

presentation of posterior circulation infarcts

Answer 4

1 of the following:

• cerebellar or brainstem syndromes
• loss of consciousness
• isolated homonymous hemianopia

‘crossed’ syndrome is typical - ipsilateral cranial nerve dysfunction and contralateral long motor or sensory tract dysfunction