Antiarrhythmic Agent Group Iii

From Anvita Health Wiki

Contents 1 More Specific Terms 2 Introduction 3 More General Terms 4 References

More Specific Terms

• adenosine (Adenocard)
• amiodarone (Cordarone, Pacerone, Ritmocardyl, Rhythmarone, Ancaron)
• bretylium (Bretylol, Ornido)
• dronedarone (Multaq)
• N-acetylprocainamide (NAPA, Acecainide)
• sotalol (Betapace, Sotacor)

Introduction

• Class III antiarrhythmic agents block K+ channels. Thus class III agents prolong the action potential duration, repolarization, ventricular refractoriness & the QT interval. To a lesser extent, class III agents diminish conduction velocity.

More General Terms

• antiarrhythmic agent

References

1. Manual of Medical Therapeutics, 28th ed, Ewald & McKenzie (eds), Little, Brown & Co, Boston, 1995, pg 159
2. Mayo Internal Medicine Board Review, 1998-99, Prakash UBS (ed) Lippincott-Raven, Philadelphia, 1998, pg 125
3. Medical Knowledge Self Assessment Program (MKSAP) 15, American College of Physicians, Philadelphia 2009

antiarrhythmic agent, Group III