患者男，28岁，因有时心慌，胸骨旁第三肋间可闻及五级收缩期及四级舒张期杂产，并在胸前广泛传导。彩色超声多普勒检查所见：于胸骨旁左室K轴切面可见主动脉右冠窦部的主动脉壁呈局限性的瘤样扩张并以袋状突入在室流入道（图1）;置多普勒取样容积J‘打冠窦的衣室侧可见双期连 The patient, male, 28 years of age, was sometimes flustered and could have heard of a fifth systolic and a fourth diastolic miscarriage in the third intercostal space and was widely transmitted in the chest. Color Doppler ultrasound findings: The aortic wall of the right coronary sinus of the aorta shows a localized expansion of the aortic wall in the parasternal left ventricle K-axis view and invades into the lumen with a bag-like protrusion (Figure 1); Doppler sample volume J’ can be seen on the dressing room side of the sinus