It is often associated with other cardiovascular anomalies and is one of the characteristic findings of Williams syndrome .
Supravalvular aortic stenosis is a congenital obstructive narrowing of the aorta just above the aortic valve .
stenosis is often associated with other cardiovascular anomalies and is one of the characteristic findings of Williams syndrome .
Supravalvular aortic stenosis is a congenital obstructive narrowing of the aorta just above the aortic valve .