Cardiac anomaly seen in Noonan's syndrome is
VSD
ASD
Pulmonary stenosis
Coarctation of aoa
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
Genetics