Stroke classification

Question 1

a TACS is defined by?

Answer 1

• Contralateral hemiplegia (paralysis) or hemiparesis (weakness), AND
• Contralateral homonymous hemianopia, AND
• Higher cerebral dysfunction (e.g. aphasia, neglect)
• A TACI involves the anterior AND middle cerebral arteries on the affected side.

Question 2

a PACS is defined by?

Answer 2

2 of:
- Contralateral hemiplegia (paralysis) or hemiparesis (weakness), AND
- Contralateral homonymous hemianopia, AND
- Higher cerebral dysfunction (e.g. aphasia, neglect)

OR
- higher cerebral dysfunction alone (e.g. aphasia, neglect)

A PACI involves the anterior OR middle cerebral artery on the affected side.

Question 3

a lacunar stroke is defined by?

Answer 3

• a pure motor stroke, pure sensory stroke, sensorimotor stroke, ataxic hemiparesis or dysarthria-clumsy hand syndrome.
• A LACI affects small deep perforating arteries, typically supplying internal capsule or thalamus.

Question 4

a posterior circulation stroke is defined by?

Answer 4

• Cerebellar dysfunction, OR
• Conjugate eye movement disorder, OR
• Bilateral motor/sensory deficit, OR
• Ipsilateral cranial nerve palsy with contralateral motor/sensory deficit, OR
• Cortical blindness/isolated hemianopia.

Question 5

which drugs are used in secondary stroke prevention

Answer 5

clopidogrel
atorvastatin