Posterior circulation infarct
Encyclopedia
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 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:
It has also been associated with deafness.
Cerebral infarction
A cerebral infarction is the ischemic kind of stroke due to a disturbance in the blood vessels supplying blood to the brain. It can be atherothrombotic or embolic. Stroke caused by cerebral infarction should be distinguished from two other kinds of stroke: cerebral hemorrhage and subarachnoid...
affecting the posterior circulation
Circulatory system
The circulatory system is an organ system that passes nutrients , gases, hormones, blood cells, etc...
supplying one side of the brain
Brain
The brain is the center of the nervous system in all vertebrate and most invertebrate animals—only a few primitive invertebrates such as sponges, jellyfish, sea squirts and starfishes do not have one. It is located in the head, usually close to primary sensory apparatus such as vision, hearing,...
.
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 (e.g.nystagmus)
- Cerebellar dysfunction
- Isolated homonymous hemianopia
It has also been associated with deafness.