2010.03.26 Quiz: Dronedarone

Which of the following is incorrect about dronedarone (a new antiarrhythmic drug for atrial fibrillation)?
A. It has lower lipophilicity and no iodine moieties that cause thyroid dysfunction
B. It has a low risk of Torsade de pointes arrhythmia
C. Its major metabolite is much less potent than the parent compound
D. Elimination half-life is much shorter than that of amiodarone
E. Improves heart failure control even in class III and IV heart failure