What is the action of amiodarone (Cordarone) ,a class III agent used to treat cardiac dysrhythmias?
A) It acts as a myocardial depressant by inhibiting sodium ion movement.
B) It prolongs the duration of the electrical stimulation on cells and the refractory time between electrical impulses.
C) It acts as a beta-adrenergic agent.
D) It slows the rate of electrical conduction and prolongs the time between contractions.
Correct Answer:
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