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8例动脉导管未闭(PDA),其中7例经手术、1例经升主动脉造影证实,现将确诊前二维超声心动图检查结果报告如下。 8例中,男、女各4例,年龄6～48岁,平均23.9岁。二维超声心动图检查,明确显示内径为0.5～0.9cm的未闭动脉导管者6例;未显示者2例:其中1例根据左房、左室内径增大、肺动脉和其分支内径增宽以及室壁活动幅度增强等间接征象,结合临床
8 cases of patent ductus arteriosus (PDA), of which 7 cases by surgery, 1 case confirmed by ascending aortography, the diagnosis of two-dimensional echocardiography is now reported as follows. 8 cases, male and female in 4 cases, aged 6 to 48 years, mean 23.9 years. Two-dimensional echocardiography, clearly shows that the diameter of 0.5 ~ 0.9cm patent ductus arteriosus in 6 cases; not shown in 2 cases: one case according to the left atrium, left ventricular diameter increased pulmonary artery and its branches widened As well as the indirect increase of the amplitude of ventricular wall and other signs, combined with clinical