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Pharmacology C.V.S 755172e5

Which of the following is the drug of choice for digoxin induced ventricular tachyarrhythmias?

A
Mexiletene
B
Amiodarone
C
Lignocaine
D
Phenytoin
High-Yield Explanation
Ans. is 'c' i.e., Lignocaine Treatment for digoxin induced ventricular arrhythmias:* Lidocaine intravenous, repeated as required is the drug of choice. It suppresses the excessive automaticity, but does not accentuate A-V block.* Phenytoin is also effective but seldom used now, because sudden deaths have occurred when it was injected i.v. in digitalis intoxicated patients.* Quinidine and procainamide are contraindicated.

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