Which class of antiarrhythmic drugs interferes with potassium channels to prolong the period in which the next heartbeat can occur?

Question

Quizplus · Accepted Answer

Class III antiarrhythmic drugs work by interfering with potassium channels, which prolongs the repolarization phase of the cardiac action potential. This action effectively lengthens the period before the next heartbeat can occur, helping to control abnormal heart rhythms.

Which Class of Antiarrhythmic Drugs Interferes with Potassium Channels to Prolong