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: Medicine
Acute aoic reguritation can occur as a complication of all of the following conditions, except 
Select and explain. 
A. Acute MI, B. Infective endocarditis, C. Ankylosing spondylitis, D. Marfan's syndrome
A: Acute MI
Answer: A: Acute MI 
Explanation: Acute aoic regurgitation often occur as a complication of Marfan's syndrome, Ankylosing spondylitis and Infective endocarditis. Most common valvular complication of acute MI is mitral regurgitation not aoic regurgitation. Severe mitral regurgitation is seen in association with inferior myocardial infarction and involvement of posteromedial papillary muscle.