Posterior circulation infarct

Posterior circulation infarct
Circle of Willis. Posterior circulation represented by bottom half of diagram.
Classification and external resources
ICD-9-CM	433.0, 433.2
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A Posterior Circulation Infarct (POCI) is a type of cerebral infarction 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 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.

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