Cross-sectional echocardiographic diagnosis of unruptured right sinus of Valsalva aneurysm dissecting into the interventricular septum.

We present a case of an unruptured right coronary sinus of Valsalva aneurysm with dissection into the interventricular septum diagnosed pre-operatively by cross-sectional echocardiography. The unique echocardiographic features of this rare, although potentially fatal congenital lesion, are described.