结果超声心动图检查能准确测量患者的主动脉内、外径，了解其内部异常结构和血流情况。
Results Echocardiogram can measure inside and outside diameter of aorta exactly, and it help us to understand inside abnormal construction and blood flow of aorta.
方法采用经胸超声（TTE）检查17例夹层动脉瘤患者，观察主动脉管腔内有无膜样回声及管腔内血流情况。
Methods 17 patients were examined by trans thoracic echocardiography(TTE), and observed the membrane shape ultrasonic echo, blood stream change in aortic canal.
方法采用经胸超声（TTE）检查17例夹层动脉瘤患者，观察主动脉管腔内有无膜样回声及管腔内血流情况。
Methods 17 patients were examined by trans thoracic echocardiography(TTE), and observed the membrane shape ultrasonic echo, blood stream change in aortic canal.
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