<prompt> Cardiac abnormality seen with Noonans syndrome is:VSDASDPulmonary stenosisCoarctation of aoa  <response>: Answer is C Pulmonary stenosis Pulmonary stenosis is the most common cardiac abnormality in Noonans syndrome. Turners syndrome Most common cardiac defect associated is Coarctation of aoa Bicuspid aoic valve Noonans syndrome Most common cardiac defect associated is Pulmonary valvular stenosis most common Hyperophic cardiomyopathy ASD 