"Egg on side appearance" is seen in:: (A) Fallot's tetralogy, (B) Transposition of great vessels, (C) Ebstein's anomaly, (D) Ventricular septal defect
Answer is B. b. Transposition of great vessels(Ref: Nelson's 20/e p 2223-2225, Ghai 8/e p 424-426)Congenital heart diseasesImportant chest X-ray findingTransposition of great vessels'Egg on side' appearanceTetralogy of FallotBoot shaped heart or 'Coren sabot' appearanceSupracardiac TAPVC'Figure of 8' or Snowman appearanceEbstein anomalyBox shaped heart