目的分析多普勒超声心动图诊断主肺动脉间隔缺损的准确率，提高超声心动图检查对主肺动脉间隔缺损的首次检出率。
Objective to analyze the accuracy of the diagnosis of aortopulmonary septal defect (APSD) by Doppler echocardiography and improve the initial echocardiographic diagnosis.
目的分析多普勒超声心动图诊断主肺动脉间隔缺损的准确率，提高超声心动图检查对主肺动脉间隔缺损的首次检出率。
Objective to analyze the accuracy of the diagnosis of aortopulmonary septal defect (APSD) by Doppler echocardiography and improve the initial echocardiographic diagnosis.
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