Methods 47 ASD patients were examined with transthoracic echocardiography ( TTE ), transesophageal echocardiography ( TEE ) and three-dimensional reconstruction ( 3D ).

• 方法：全部患者均接受经胸壁二维超声心动图(TTE)、经食道超声心动图(TEE)检查和经食道动态三维重建(3D)。