Total anterior circulation infarct (TACI) is a type of
cerebral infarction affecting the entire
anterior circulation supplying one side of the
brain
The brain is an organ (biology), organ that serves as the center of the nervous system in all vertebrate and most invertebrate animals. It consists of nervous tissue and is typically located in the head (cephalization), usually near organs for ...
. The anterior circulation is the part that is supplied by the internal carotid artery, as opposed to the posterior circulation, supplied by the vertebral arteries.
Total anterior circulation stroke syndrome (TACS) refers to the symptoms of a patient who clinically appears to have had a total anterior circulation infarct, but who has not yet had any diagnostic imaging (e.g.
CT Scan
A computed tomography scan (CT scan), formerly called computed axial tomography scan (CAT scan), is a medical imaging technique used to obtain detailed internal images of the body. The personnel that perform CT scans are called radiographers or ...
) to confirm the diagnosis.
It is diagnosed when it causes all 3 of the following symptoms:
* Higher dysfunction
**
Dysphasia
**
Visuospatial disturbances
** Decreased level of consciousness
*
Homonymous hemianopia
In linguistics, homonyms are words which are either; '' homographs''—words that mean different things, but have the same spelling (regardless of pronunciation), or '' homophones''—words that mean different things, but have the same pronunciat ...
* Motor and Sensory Defects (≥2/3 of face, arm, leg)
For more information, see
stroke
Stroke is a medical condition in which poor cerebral circulation, blood flow to a part of the brain causes cell death. There are two main types of stroke: brain ischemia, ischemic, due to lack of blood flow, and intracranial hemorrhage, hemor ...
.
External links
{{DEFAULTSORT:Total Anterior Circulation Infarct
Types of stroke