The Living Guidelines: Pharmacological rate control during atrial fibrillation Polling Results for CLASS IIb Guidelines

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Class IIb Guidelines
1. When the ventricular rate cannot be adequately controlled both at rest and during exercise in patients with AF using a [beta blocker]], non dihydropyridine calcium channel antagonist, or digoxin, alone or in combination, oral amiodarone may be administered to control the heart rate. (Level of Evidence: C)

 ACC / AHA 2008 guidelines for diagnosis and management of atrial fibrillation: Class IIb Recommendation 1 for pharmacological rate control during atrial fibrillation should be: CLASS I CLASS IIa CLASS IIb CLASS III 2. Intravenous procainamide, disopyramide, ibutilide, or amiodarone may be considered for hemodynamically stable patients with AF involving conduction over an accessory pathway. (Level of Evidence: B)

 ACC / AHA 2008 guidelines for diagnosis and management of atrial fibrillation: Class IIb Recommendation 2 for pharmacological rate control during atrial fibrillation should be: CLASS I CLASS IIa CLASS IIb CLASS III 3. When the rate cannot be controlled with pharmacological agents or tachycardia-mediated cardiomyopathy is suspected, catheter-directed ablation of the AV node may be considered in patients with AF to control the heart rate. (Level of Evidence: C)

 ACC / AHA 2008 guidelines for diagnosis and management of atrial fibrillation: Class IIb Recommendation 3 for pharmacological rate control during atrial fibrillation should be: CLASS I CLASS IIa CLASS IIb CLASS III