Treatment Guidelines from The Medical Letter
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58
Drugs for Cardiac Arrhythmias
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The drugs of choice for treatment of common cardiac arrhythmias are listed in Tables 1 and 2. Some drugs are recommended for indications that have not been approved by the FDA. The drugs’ brand names, formulations, dosages and adverse effects are listed in Table 3.

ARRHYTHMIAS

Antiarrhythmic drugs may themselves cause arrhythmias, which can be fatal. One especially troublesome arrhythmia caused by drugs is torsades de pointes, which is associated with marked QT prolongation.1

BRADYCARDIA AND TACHYCARDIA — Symptomatic bradyarrhythmias are generally treated with pacemakers. Isolated ectopic beats and short episodes of tachycardia of any type are not an indication for therapy unless the patient is highly symptomatic. If therapy is needed, beta-blockers are often used first. Regular narrow complex tachycardias are usually caused ... more      

The Medical Letter is a subscriber-funded nonprofit organization that publishes critical appraisals of new prescription drugs and comparative reviews of drugs for common diseases.

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