aortic septal defect的用法和样例：
- Why is an atrial septal defect a concern?
- How is an atrial septal defect diagnosed?
- Objective To explore the clinical effects of aortic valvuloplasty in treatment of ventricular septal defect(VSD)with moderate or severe aortic valve insufficiency(AI)in children.
- Associated cardiac lesions were present in 2cases, including l case with coarctation of the aorta and patent ductus arteriosus, and the other with atrial septal defect.