PSYB65H3 Lecture Notes - Lecture 3: Encephalitis, Meningitis, Hematoma
Document Summary
The kind of things that go wrong in the brain. Vascular supply of the brain; you can get a blockage of the vascular supply or blood flow. There is various things that can cause a blockage. Something has happened in the blood supply of the brain. We refer to this as a stroke or cva. This generally refers to a severe interruption of the blood supply to the brain. When you lose blood supply it results ischemia. Ischemia simply says that the brain is not receiving enough oxygen and glucose. The lack of oxygen is the result of a stroke, the blockage of blood. If it is severe enough it then leads to an infarct. It is an area of the brain that is dying or pretty much dead. A cva can be slow or fast, but in the vast majority it happens fast. The larger the artery is blocked the larger the area is destroyed.
