1先天性心脏病在先天性心脏病诊断学领域取得了系列进展。上海交通大学医学院附属上海儿童医学中心研究表明左冠状动脉起源于肺动脉在诊断中辅助检查的价值,指出特征性心电图表现有助于诊断。心电图对肺动脉瓣狭窄严重程度具有一定的诊断价值,但是心电图无法预测经皮球囊肺动脉 1 Congenital heart disease in the field of congenital heart disease diagnosis made a series of progress. Shanghai Jiaotong University Affiliated Shanghai Children’s Medical Center studies have shown that the left coronary artery originated in the pulmonary artery in the diagnosis of auxiliary examination value, pointed out that the characteristic ECG performance is helpful in the diagnosis. ECG on the severity of pulmonary valve stenosis has some diagnostic value, but the ECG can not predict percutaneous balloon pulmonary artery