Cardiac anomaly seen in Noonan's syndrome is
Pulmonary stenosis and hyperophic cardiomyopathy are generally the most common congenital hea defects found in Noonan syndrome. Pulmonary stenosis is often associated with a thickened and dysplastic valve Ref Robbins 9/e pg .532
VSD
ASD
Pulmonary stenosis
Coarctation of aoa
Genetics