Fast Five Quiz: Are You Familiar With Atrial Flutter?

Yasmine S. Ali, MD


February 02, 2017

Because of the arrhythmia risk, drugs such as ibutilide, sotalol, and dofetilide should be initiated in an inpatient setting. Preferred medications that slow AV node conduction include beta-blockers (eg, atenolol, metoprolol, and propranolol) and calcium channel blockers (eg, verapamil and diltiazem). These medications are used to control ventricular rates. They are also used in patients who are taking class IA or IC antiarrhythmic drugs (to prevent rapid ventricular response, which can occur when the atrial rate is slowed). Pause-dependent torsades de pointes can occur after conversion to sinus rhythm. The risk for proarrhythmia is probably greatest during the first 24-48 hours after the initiation of antiarrhythmics.

For more on the treatment of atrial flutter, read here.

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