Posterior circulation infarct

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A Posterior Circulation Infarct (POCI) is a type of ischemic stroke affecting the posterior circulation supplying one side of the brain.

Posterior Circulation Stroke Syndrome (POCS) refers to the symptoms of a patient who clinically appears to have suffered from a posterior circulation infarct, but who has not yet had any diagnostic imaging (e.g. CT Scan) to confirm the diagnosis.

It can cause the following symptoms:

• Cranial nerve palsy AND contralateral motor/sensory defect
• Bilateral motor or sensory defect
• Eye movement problems
• Cerebellar dysfunction
• Isolated homonymous hemianopia

For more information, see stroke.