Pulmonary Plethora is seen in -: (A) TOF, (B) TAPVC, (C) CoA, (D) Tricuspid Atresia
Answer is B. Pulmonary plethora It is a term used to describe the appearances of increased pulmonary perfusion on chest radiographs. It may occur in several situations : Total anomalous pulmonary venous return (TAPVC) Left-to-right cardiac shunts (e.g. ASD, VSD, PDA) Truncus Aeriosus Vein of Galen Malformation Transposition of the Great Aeries It may also been seen in pregnancy due to increased cardiac output.