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': 'Figure of 8 configuration on chest x–ray is seen in – \nSelect and explain. \nA. TOF, B. ASD, C. TAPVC, D. VSD', 'role': 'user'}, {'content': "Answer: C \nExplanation: X-ray findings of TAPVC \n\nCardiomegaly\nPlethoric lung fields\nSnowman or figure of 'V configuration ---> In supracardiac TAPVC.\nGround glass appearance of lung —> In obstructive TAPVC.\nClinical manifestations of TAPVC \n\n\nNonobstructive TAPVC -4 Patients presents with mild cyanosis and CHF at 6-8 weeks.\nObstructive TAPVC —> Paients presents with severe cyanosis and CHF within first week.\n\nEOG\n\n.Right axis deviation with right ventricular hypertrophy.\nIn obstructive TAPVC pulmonale.", 'role': 'assistant'}]