Uncorrected conditions such as patent ductus arteriosus, ventricular septal defect, primum atrial septal defect, coarctation of the aorta, and bicuspid aortic valve.

• 没有矫治的心脏病,比如动脉导管未闭,室间隔缺损,原发孔房间隔缺损,主动脉缩窄,和主动脉瓣二叶化。