A 46-year-old woman with an acute vertigo attack is presented.She had risk factors for cerebrovascular diseases.At the time of infarction, she developed nystagmus, gait ataxia, and limb dysmetria.

• 本文报告一位急性晕眩症的46岁女性病人，她有脑血管疾病的危险因子及眼球震颤，步履运动失调和肢体辨距障碍。