This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Other hea diseases in children, Subject name: Pediatrics
[{'content': 'chest x- ray shows the following finding. What is the diagnosis? \nSelect and explain. \nA. Tetralogy of fallot, B. Tricuspid atresia, C. Truncus aeriosus, D. Total Anomalous pulmonary venous return', 'role': 'user'}, {'content': 'Answer: D \nExplanation: --> Given x-ray is showing " FIGURE OF 8 " / "SNOW MAN" appearance --> Characteristic feature of supracardiac TAPVC --> TAPVC : In this condition, Pulmonary veins instead of draining into left atrium, anomalously drains into the right atrium directly/indirectly 3 types based on level of its drain Supracardiac (MC) --> Drain above level of hea in superior vena cava --> Non-obstructive Cardiac --> Drain at level of hea directly into right atrium or coronary sinus Infracardiac --> Drain below level of hea - IVC/ hepatic vein/ poal vein (always obstructive). X-ray shows" Ground glass " appearance --> Treatment: Surgery OTHER OPTIONS: --> Boot shaped hea/ cor en sabot appearance --> Tetralogy of fallot --> Left axis detion on ECG + congenital cyanotic hea disease --> Tricuspid atresia', 'role': 'assistant'}]