<prompt> A child after 4 weeks of bih acyanotic, ejection systolic murmur detected causes areis ___VSDPDATOFCoaation of aoa  <response>: VSD is the most common CHD 14 presents with ejection systolic murmur at pulmonary valve palpable thrill. Ref : Ghai essential of pediatrics, eighth edition, p.no:414 