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: Surgery
[{'content': 'Digital clubbing is seen in all except \nSelect and explain. \nA. >Endocarditis, B. >Pulmonary aeriovenous fistula, C. >Tricuspid atresia, D. >Aoic dissection', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Aoic dissection Causes of clubbing Remember Acute endocarditis does not cause clubbing, clubbing is caused by subacute endocarditis.', 'role': 'assistant'}]