NUR 1211C Chapter Notes - Chapter Test 4: Transient Ischemic Attack, Amaurosis Fugax, Cerebral Circulation
8 Feb 2020
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Changes in blood viscosity affect cerebral blood flow, with decreased viscosity increasing blood flow. Intracranial pressure (icp) causes brain compression and reduced cerebral blood flow. Clinical symptoms usually last less than 1 hour: tias may be due to microemboli that temporarily block the blood flow. Types of stroke: ischemic stroke, an ischemic stroke results from inadequate blood flow to the brain from partial or complete occlusion of an artery, thrombotic stroke. Intracerebral hemorrhage is bleeding within the brain caused by a rupture of a vessel (usually in the basal ganglia: hypertension if the most common cause of intracerebral hemorrhage. Impairment may involve pronunciation, articulation, and phonation: affect. This may be worsened by homonymous hemianopsia, in which blindness occurs in the same half of the visual fields of both eyes. The patient also has difficulty with spatial orientation, such as judging distances: the third spatial-perceptual deficit in agnosia, the inability to recognize an object by sight, touch, or.
