Sources: Disturbances Of The Heart
If this rare condition occurs, it is probably congenital. A
distinctive murmur of this insufficiency would be diastolic and
accentuated in the second intercostal space on the left of the
sternum. It should be remembered that aortic murmurs are often more
plainly heard at the left of the sternum. Sooner or later, if this
lesion is actually present, the right ventricle dilates and cyanosis
and dyspnea occur. Digitalis would therefore be indicated.