Stroke is a form of brain functional disorders penyalit nerve palsy / neurologic deficit due to interruption of blood flow in one part of the brain. Stroke is defined as a disease of the brain due to interruption of blood supply to the brain due to blockage or bleeding, with symptoms of momentary paralysis, or severe symptoms until loss of consciousness or death. Stroke can be ischemic or bleeding (hemorrhagic).
In ischemic stroke, blood flow to the brain stops because of atherosclerotic or blood clot that has clogged the blood vessels, through the process of atherosclerosis.
At the stroke bleeding / hemorrhagic, rupture of blood vessels so that blood flow becomes abnormal and the blood that comes out into a region in the brain and cause damage.
Acute stroke, either ischemic or bleeding is a medical emergency requiring immediate treatment because it can cause permanent disability or death.
According to WHO, stroke is the clinical signs of disturbance of cerebral function both locally and globally, is growing rapidly, with symptoms that lasted for 24 hours or more, or leading to death without visible cause, in addition to signs pertaining to the flow blood in the brain. Stroke is a disease of acute brain functional disorders, both locally and globally, due to interruption of blood flow to the brain because of bleeding or blockage, which can recover completely, recover with a disability or result in death.
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