G46: Vascular syndromes of brain in cerebrovascular diseases
G46.2: Posterior cerebral artery syndrome
The brain is made up of several areas. For example, the cerebrum is used to think and plan actions. In the cerebellum, movements are initialized and coordinated. The brain stem is responsible for various unconscious tasks such as breathing. The brain stem passes into the spinal cord.
In the brain on each side there are 3 large arteries that supply blood to various parts of the brain. In each case there is an anterior, central and posterior artery.
Your posterior artery is not providing enough blood to part of your cerebrum.
When the brain does not get enough blood, different problems may occur. The symptoms depend on which part of the brain is affected.
If the posterior artery on one side of your brain is not getting enough blood, you can get failure symptoms on the other side of your body. You may then no longer be able to see one side of the area around you properly, for example. You may also no longer be able to feel contacts on one side of your body properly. You may find it harder, or impossible, to speak, read or write.
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