摘要1病例介绍患者男性,64岁,主因头晕半月余于2015年5月18日入院。患者头晕症状主要表现为头部昏沉感,伴自身不稳,同时伴有恶心、呕吐、双耳耳鸣、听力下降,无复视、视物旋转,无意识丧失、头眼歪斜,无言语障碍、吞咽困难,无肢体麻木、力量减弱等。既往史：既往有高血压病史,口服降压药物,血压控制在130/80 mm Hg左右。10余年前患脑梗死,遗留右侧肢体活动不灵。
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