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1 临床资料患儿女性,8岁。因活动后心悸、气短7年。于1994年11月20日入院。体检:血压15/10 kPa(110/75mmHg),双肺清晰,心律整齐,心尖部闻及Ⅲ/6级收缩期杂音,胸骨左缘第2肋间闻及Ⅱ/6级收缩期杂音,肺动脉瓣第二心音亢进。心电图示窦性心律,心电轴左偏(—60°),不完全性右、左前分支传导阻滞。X线胸片示两肺血多,左右心室增大,肺动脉段突出。彩色多普勒超声心动图示二维各切面显示左右心室及右心房增大,心房间隔下部与十字交叉处连续中断13 mm。左心
1 Clinical data Children, 8 years old. Due to activity palpitations, shortness of breath for 7 years. On November 20, 1994 admission. Physical examination: blood pressure 15/10 kPa (110 / 75mmHg), clear lungs, regular heart rhythm, apex symphysis and Ⅲ / 6 systolic murmur, sternal left intercostal space smell and Ⅱ / 6 systolic murmur, pulmonary artery Second heart sound hyperthyroidism. ECG shows sinus rhythm, left axis deviation (-60 °), incomplete right and left anterior branch block. X-ray showed more than two lung blood, left ventricular enlargement, prominent pulmonary artery segment. Color Doppler echocardiography showed two-dimensional cross-section of the left and right ventricles and right atrium increased, atrial septum and cross at the lower part of the continuous interruption of 13 mm. Left heart