Tenormin (atenolol), Lopressor (metoprolol) Calcium channel blockers Atrial fibrillation and atrial flutter, SVT Cardizem ...

Fact checked byProfessional Communications, Inc. Antiarrhythmic drugs act on the electrical conduction system of the heart. The most common use of these drugs is as part of a rhythm control ...

The antiarrhythmic effect is greater when heart ... The only three beta-blockers FDA approved to treat systolic heart failure are metoprolol succinate (not metoprolol tartrate), carvedilol and ...