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Posterior circulation infarct (POCI) is a type of cerebral infarction affecting the posterior circulation supplying one side of the brain.

Posterior circulation infarct
Circle of Willis en.svg
Circle of Willis. Posterior circulation represented by bottom half of diagram.

Posterior circulation stroke syndrome (POCS) refers to the symptoms of a patient who clinically appears to have had 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:

It has also been associated with deafness.[1]

See alsoEdit


  1. ^ Lee H (2008). "Sudden deafness related to posterior circulation infarction in the territory of the nonanterior inferior cerebellar artery: frequency, origin, and vascular topographical pattern". Eur. Neurol. 59 (6): 302–6. doi:10.1159/000121421. PMID 18408371.

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