Betapace AF

Definition

Betapace AF is a brand name for sotalol, a Class III antidysrhythmic drug that acts as a potassium channel blocker. It is used to treat atrial fibrillation and atrial flutter.

5 Must Know Facts For Your Next Test

1. Betapace AF prolongs the action potential duration by blocking potassium channels in cardiac cells.
2. It has both beta-blocking (Class II) and potassium channel-blocking (Class III) properties.
3. Common side effects include bradycardia, fatigue, and dizziness.
4. It requires careful monitoring of renal function due to its renal excretion.
5. Patients must be initiated on Betapace AF in a hospital setting to monitor for potential serious arrhythmias.

Review Questions

• What dual pharmacological actions does Betapace AF exhibit?
• Why must patients starting Betapace AF be monitored in a hospital setting?
• Which organ function needs to be closely monitored while a patient is on Betapace AF?

Related terms

Amiodarone: Another Class III antidysrhythmic drug used to treat various types of arrhythmias by blocking potassium channels.

Dofetilide: A pure Class III antidysrhythmic that prolongs repolarization by selectively blocking cardiac potassium channels.

Propranolol: A non-selective beta-blocker (Class II) used to manage hypertension, angina, and arrhythmias by reducing heart rate and contractility.