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
Pulsus bisfriens is seen in all except: March 2012 
Select and explain. 
A. Mitral valve prolapse, B. Aoic stenosis with aoic regurgitation, C. Severe aoic regurgitation, D. HOCM
A: Mitral valve prolapse
Answer: A: Mitral valve prolapse 
Explanation: Ans: A i.e. Mitral valve prolapse The bisferiens pulse, which has two systolic peaks, is characteristic of aoic regurgitation (with or without accompanying stenosis) and of hyperophic cardiomyopathy.