This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S, Subject name: Medicine
Reverse splitting of S2 is seen in all except - 
Select and explain. 
A. LBBB, B. WPW typeA, C. LV pacing, D. Systemic hypeension
C: LV pacing
Answer: C: LV pacing 
Explanation: Reverse splitting seen in : TR RV pacemaker WPW syndrome Eisen menkers syndrome AS LVF LBBB Harrison's 20th edition pg 1521