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: Pharmacology
All of the following are used in atrial arrhythmias except: 
Select and explain. 
A. Digoxin, B. Verapamil, C. Quinidine, D. Lignocaine
D: Lignocaine
Answer: D: Lignocaine 
Explanation: None