QuestionMay 5, 2026

Which antidysrhythmic drug is used to prevent sustained ventricular tachycardia? A Esmolol B Lidocaine C Flecainide D Digoxin

Which antidysrhythmic drug is used to prevent sustained ventricular tachycardia? A Esmolol B Lidocaine C Flecainide D Digoxin
Which antidysrhythmic drug is used to prevent sustained ventricular tachycardia?
A Esmolol
B Lidocaine
C Flecainide
D Digoxin

Solution
4.1(271 votes)

Answer

B Lidocaine Explanation 1. Identify drug classification Sustained ventricular tachycardia requires Class I or Class III antidysrhythmic drugs; Lidocaine (Class Ib) is commonly used for ventricular arrhythmias. 2. Match drug to condition Lidocaine is specifically used to prevent and treat ventricular tachycardia, especially after myocardial infarction.

Explanation

1. Identify drug classification<br /> Sustained ventricular tachycardia requires Class I or Class III antidysrhythmic drugs; Lidocaine (Class Ib) is commonly used for ventricular arrhythmias.<br />2. Match drug to condition<br /> Lidocaine is specifically used to prevent and treat ventricular tachycardia, especially after myocardial infarction.
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