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': 'A patient presents with LVH and pulmonary complications. ECG, shows left axis detion. Most likely diagnosis is: \nSelect and explain. \nA. TOF, B. Tricuspid atresia, C. TAPVC, D. VSD', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Congenital absence of tricuspid valve is tricuspid atresia. Right ventricle is hypoplastic. Systemic venous blood from Rt Atrium -> ASD/patent foramen ovale -> Lt atrium -> Lt ventricle -> Aoa and through muscular VSD blood also enters Rt ventricle and pulmonary aery. Ref: Kliegman, Behrman, Jenson, Stanton (2008), Chapter 430.4, "Tricuspid Atresia", In the book, "NELSON TEXTBOOK OF PEDIATRICS", Volume 2, 18th Edition, New Delhi, Pages 1913-14 ; O P Ghai Essential Peadiatrics, 6th Edition, Page 410', 'role': 'assistant'}]