Objective:To investigate the quantitative diagnostic accuracy of congenitalatrialseptaldefect(ASD) by trans-esophageal echocardiography(TEE).
目的：探讨经食管超声心动图对先天性心脏病房间隔缺损（房缺）定量诊断的准确性。
2
Congenitalatrialseptaldefect and ventricular septal defect can be treated with surgery or interventional methods. However, the causes are not very clear.