Aneurysm of the sinus of Valsalva dissecting into the intraventricular septum.

Aneurysm of the sinus of Valsalva is an uncommon entity and especially rare when it dissects into the intraventricular septum. This uncommon clinical manifestation often takes a drastic clinical course with life-threatening arrhythmia, coronary ischemia, rupture, and heart failure. We present the case of a 36-year-old man with an aneurysm of the sinus of Valsalva dissecting into the intraventricular septum, which induced severe aortic insufficiency and heart block.