This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
[{'content': "Only congenital cyanotic heart disease with Left Ventricular hypertrophy and Left atrial enlargement \nSelect and explain. \nA. Coarctation of Aorta, B. Tricuspid atresia, C. Ebstein's anomaly, D. Transposition of great arteries", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Tricuspid atresia→blood from Right atrium to Left atrium→more blood to Left atrium leading to Left atrial enlargement→more blood to left Ventricle leads to left ventricular hypertrophy.', 'role': 'assistant'}]