Coarctation of aoa may be associated with all of the following except :

Answer is C (Renal aery stenosis) Renal aery stenosis is not associated with any form of congenital hea disease. In young it is usually a result of fibromuscular dysplasia and in elderly due to atheromatous plaques secondary to hypeension and diabetes. Turner's syndrome is associated with coarctation of aoa and bicuspid valve. Most common associated congenital cardiac anomaly with coarctation of aoa is bicuspid aoic valve PDA may be associated.