Dronedarone mainly for the indication of cardiac arrhythmias. it was recommended as an alternative to amiodarone for the treatment of atrial fibrillation and atrial flutter in people whose hearts have either returned to normal rhythm or who undergo drug therapy or electric shock treatment i.e. direct current cardioversion (dccv) to maintain normal rhythm.dronedarone has been termed a
multichannel blocker
however it is unclear which channel(s) play a pivotal role in its success.