Pediatrics C.H.D. 3aa47382 Which is the most common congenital cardiac defect? A TAPVC B Transposition of great arteries C Ventricular septal defect D Atrial septal defect High-Yield Explanation Ans. is 'c' i.e., Ventricular septal defect o VSD is the most common congenital heart diseaseo TOF is the commonest cyanotic congenital heart disease