Partial anterior circulation infarct (PACI) is a type of cerebral infarction affecting part of the anterior circulation supplying one side of the brain.
Partial anterior circulation stroke syndrome (PACS) refers to the symptoms of a patient who clinically appears to have had a partial anterior circulation infarct, but who has not yet had any diagnostic imaging (e.g. CT Scan) to confirm the diagnosis.
It is diagnosed by any one of the following 2 out of 3 features of Higher dysfunction Dysphasia Visuospatial disturbances Homonymous hemianopia Motor and Sensory Defects (>2/3 of face, arm, leg) Higher dysfunction alone Partial Motor or Sensory Defect
If all of the above symptoms are present, a Total Anterior Circulation Infarct is more likely.
For more information, see stroke.
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