In all of the following increased cardiac silhouette sign is seen except -: (A) Tetralogy of Fallot's, (B) Pericardial effusion, (C) Aortic regurgitation, (D) Ebstein anomaly
Answer is A. Pericardial effusion, Aortic regurgitation and Ebstein anomaly cause cardiomegaly (increased cardiac silhouette).
In TOF, there is normal size cardiac silhouette.