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
Post MI:systolic murmur in left lower sternum may be dueto all, EXCEPT - 
Select and explain. 
A. Complete heart block, B. Rupture of interventrictilar septum, C. Papillary muscle dysfunction, D. Ischemic:cardiorny.opathy
A: Complete heart block
Answer: A: Complete heart block 
Explanation: None