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病例男42岁。主诉偶有胸闷、气短,活动后加重1年。心脏听诊:胸骨左缘2～3肋间可闻及连续性杂音。胸部平片示心脏位置、大小正常。我院超声心动图:各房室腔形态、大小正常,内未见明显异常回声,大动脉短轴切面示:肺动脉主干左侧壁可见一瘘口,宽约0.6 cm,自瘘口发出蓝色为主的花色血流,频谱显示为以舒张期为主的双期连续性血流,流速约6.4 m/s。左、右冠状动脉开口内径尚正常,冠
Male 42 years old. Occasionally complained of chest tightness, shortness of breath, increased 1 year after activity. Cardiac auscultation: sternal left border 2 to 3 intercostal smell and continuity of murmur. Chest flat film shows the heart position, the size of normal. Our hospital echocardiography: the shape of the chamber chamber, the size of normal, no significant abnormal echo, aortic short axis view: the left pulmonary artery wall can be seen a fistula, a width of 0.6 cm, from the fistula blue The main color flow, the spectrum showed mainly diastolic two-phase continuous blood flow, flow rate of about 6.4 m / s. Left and right coronary artery diameter is still normal, crown