What is a stroke and Classification

Stroke is the medical acute cerebrovascular diseases collectively. It was based on the sudden collapsed, unconscious, with the blacks, language disadvantage, paraplegia or collapsed suddenly appeared hemiplegia as the main symptoms of a disease. After suffering a stroke, the majority of patients had left hemiplegia, language disadvantage, numbness, inability rigid and spastic, urine incontinence fail functional sequelae. Western including cerebral hemorrhage and subarachnoid hemorrhage, cerebral infarction and cerebral infarction, transient ischemic attack, etc.. Because of the dramatic onset of these diseases, ferocious, and the illness was rapidly changing, like the natural world of wind "good number", "volatile", ancient Chinese doctors analogy and called "stroke." Because of the sudden incidence, also known as stroke or cerebrovascular accident. Stroke is the root cause of hypertension, cerebral arteriosclerosis. Because of cerebral vascular wall atherosclerosis, causing luminal stenosis or dissecting aneurysm formation in various incentives such as emotional and mental stress, excessive use of force, such as high blood pressure under the influence, causing rupture or blockage of blood vessels and the brain blood vessels, and formed part of ischemic brain tissue, edema, etc. pathological changes, leading to nerve dysfunction, thus corresponding series of stroke symptoms of the disease. In case of stroke, a serious illness than the general, even after positive and rescue survivors, about half of patients with varying degrees of consequences, such as paraplegia, mouth shape hundred impartial, speech difficulties. Some people regard the various causes of hemiplegia (hemiplegia) are known as a stroke. Strictly speaking this is incorrect. Because brain tumors, brain parasitic diseases, such as brain abscess can cause paralysis, these patients are not used to stroke areas. Stroke is acute cerebrovascular disease collectively. According to various acute cerebrovascular disease etiology, pathology and different performance, in general stroke divided into two categories; One type of hemorrhagic stroke, also known as hemorrhagic cerebrovascular disease, including brain hemorrhage and subarachnoid hemorrhage; Another type of ischemic stroke, also called ischemic cerebrovascular disease, including short Suspense ischemic attack (also known as a transient ischemic attack), cerebral thrombosis and cerebral embolism and other lacunar infarction.