例 1 　 女 ,2 1岁。因晕厥 ,右侧肢体活动不灵活1 h,以风湿性心脏病、二尖瓣狭窄、脑栓塞于 1 998年 3月收入院 ,既往晕厥 2次。体检 :神志清楚 ,被动体位 ,不完全性运动性失语。瞳孔等圆等大 ,对光反射存在。鼻唇沟对称 ,伸舌居中。颈无抵抗 ,心尖区闻及舒张期杂音 ,坐位时出 Example 1 female, 21 years old. Due to syncope, the right limb activity is not flexible 1 h, with rheumatic heart disease, mitral stenosis, cerebral embolism in March 1998 admission hospital, past syncope 2 times. Physical examination: conscious, passive posture, incomplete aphasia. Pupil and other large circle, the presence of light reflections. Nasolabial fold symmetry, tongue middle. Neck non-resistant, apex area and diastolic noise, sitting out