患者男,63岁。诉头晕、胸憋、活动后气短,伴有心前区疼痛。曾诊断为高血压病、冠心病。查体:BP24～16.7/14.7kPa,心界向左扩大,心尖区无震颤,心率68次/min,心律整心尖部Ⅱ/6收缩期杂音,第二心音亢进,A_2>P_2。胸片示主动脉弓瘤样突出,心影向左扩大,心尖圆钝上 Male patient, 63 years old. V. Dizziness, bosom, shortness of breath after activity, accompanied by precordial pain. Had diagnosed as hypertension, coronary heart disease. Examination: BP24 ~ 16.7 / 14.7kPa, the heart bound to the left to expand, no tremor in the apical area, heart rate 68 beats / min, cardiac systolic tip Ⅱ / 6 systolic murmur, the second heart sound hyperthyroidism, A_2> P_2. Chest radiograph showed aortic arch tumor-like, heart shadow to the left to expand, apex obtuse