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
Double apical impulse: March 2013 
Select and explain. 
A. MR, B. AR, C. AS, D. MS
C: AS
Answer: C: AS 
Explanation: Ans. C i.e. AS Aoic stenosis Features: - Sustained heaving apex, - Angina, - Sudden death Degenerative calcification is a cause of AS Exercise testing is C/ I in AS