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
Lignocaine is used in - 
Select and explain. 
A. Atrial fibrillation, B. Atrial flutter, C. PSVT, D. Ventricular tachycardia
D: Ventricular tachycardia
Answer: D: Ventricular tachycardia 
Explanation: Ans. is 'd' i.e., Ventricular tachycardia o Lidocaine is used principally for ventricular arrhythmia, especially those complicating myocardial infarction.o Lidocaine is DOC for digitalis induced ventricular arrhythmias.