Patient appeared
memory deterioration began 8 years ago, his working skills performed ingravescent decline, verbal comprehension ability reduced, the patient raised repeated dizziness and headache within recent 2 to 3 years, accompanied with upper limb numbness, but without nausea, vomit, chilly, fever, obnubilation, rotating vision, limbs convulsion, movement, disturbance, syncope, chest stress or chest discomfort.