This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hypeension, Arrhythmias, Dyslipidemia, Subject name: Pharmacology
DOC for ventricular arrhythmias due to digitalis toxicity is: 
Select and explain. 
A. Lignocaine, B. Quinidine, C. Amiodarone, D. Verapamil
A: Lignocaine
Answer: A: Lignocaine 
Explanation: Ventricular arrhythmias due to digitalis toxicity Lidocaine i.v. repeated as required is the drug of choice It suppresses the excessive automaticity but does not accentuate A-V block Quinidine, Procainamide, and propafenone are contraindicated Note: Lignocaine is DOC but 2nd alternative option is Phenytoin for digitalis-induced ventricular arrhythmias