By far BAV is the most common congenital heart disease
Angiographically two types of BAV can be identified-Equally bicuspid and unequal
Interestingly Coarctation is associated with an “equally bicuspid ” aortic valve
It may be denoting a different pathogenetic process altogether
Ref :Catheterization and Cardiovascular Diagnosis 10:17-25 (1984)