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': 'What is the mechanism of aoic regurgitation in a Case of VSD ? \nSelect and explain. \nA. Prolapse of right coronary leaflet, B. Changes in the pressure gradient due to left to right shunt, C. Eisenmengerization, D. Congenital defect', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Prolapse of right coronary leafletVentricular septal defect and aoic regurgitation-pathophysiological aspects and therapeutic consequence.Aoic regurgitation in VSDIt is a rare association seen in around 5% of VSDsIt is due to prolapse of the right coronary or non coronary leaflet of the aoic valve or bothCommon when the defect is in the infundibular septum.", 'role': 'assistant'}]