Percutaneous aortic valve implantation retrograde from the femoral artery .

从股动脉逆行进行经皮主动脉瓣置换。

Intervention of aortic coarctation : from angioplasty to stent .

动脉缩窄的介入：从到支架血管成形术。

Aortic atresia or severe left ventricular outflow tract obstruction with ventricular septal defect : results of primary biventricular repair in neonates .

合并室间隔缺损的主动脉瓣闭锁或严重左心室流出道梗阻新生儿行初次双心室修复的结果。

Aortic second sound less than pulmonic second sound .

主动脉瓣第二音小于肺动脉瓣第二音。

Aortic second sound greater than pulmonic second sound .

主动脉瓣第二音大于肺动脉瓣第二音。