Class III antidysrhythmic agents slow the rate of electrical conduction as well as lengthen the time gap between contractions through obstructing Potassium channels.
Antidysrhythmic agents refer to medicines which are extensively utilized in the treatment of abnormalities in the cardiac rhythm. Class III antidysrhythmic agents are the drugs which block Potassium channels in the cardiac tissue. They also decelerate the rate of electrical conduction as well as extend the time gap between contractions.
Class III antidysrhythmic agents include medications like Amiodarone, Dronedarone, Sotalol, etc. These types of agents prolong the action potential of atrial as well as ventricular tissue by extending the refractory period.
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