Symptoms. A stroke can occur without any Brain C-13 Review warning and without any seeming relation to any event in the life of the patient or his physical condition. He can awake from sleep and show signs of paralysis affecting his extremities or his face. However, frequently there is warning - usually a period of numbness on one side, perhaps some headache, and often weakness of the face or an extremity which disappears after a time.
When the attack come full force, there is paralysis of one side of the body. Generally, strokes caused by a cerebral thrombosis are slower to develop than those caused by hemorrhage or emboli. In the case of emboli, there is immediate collapse and sometimes shock. Hemorrhage may cause severe headache and stiffness of the neck before the paralysis develops.
The areas of weakness or paralysis depend upon just where the accident occurs in the brain. Small blood vessel damage cause local areas of weakness or numbness; larger cerebral blood vessel damage causes larger areas of paralysis and weakness.
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