Which drug would be indicated for treating ventricular tachycardia?
1. Lidocaine (Xylocaine)
2. Verapamil (Calan)
3. Diltiazem (Cardizem)
4. Atropine (Atropair)
Correct Answer: 1
Rationale: Lidocaine is a sodium channel blocker, and is indicated for ventricular dysrhythmias. Verapamil and diltiazem are calcium channel blockers indicated for atrial dysrhythmias. Atropine is a cholinergic-blocking agent, and causes an increase in heart rate.
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