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
Wide QRS duration is - 
Select and explain. 
A. > 0.8sec, B. > 0.9 sec, C. >0.12 Sec, D. >0.05 Sec
C: >0.12 Sec
Answer: C: >0.12 Sec 
Explanation: None