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Diagnosis of cerebral vascular insufficiency is based upon the presence of one or more of the following symptoms: blurred vision depression vertigo (dizziness) headache lack of vigilance senility short-term memory loss ringing in the ears (tinnitu...
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The arteries are not normally seen in an x-ray , so a contrast dye is injected into one or more arteries to make them visible. For the cerebral angiography, the contrast dye is injected into one or both of the carotid or vertebral arteries in the neck.
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