A nursing student is preparing to give amiodarone(Cordarone) to a client with a resistant ventricular tachycardia. Her instructor asks her to identify amiodarone's mechanism of action. What is the best response by the student?

Question

Quizplus · Accepted Answer

Rationale 1 This is the action of Digoxin.
Rationale 2 This is the action of a calcium channel blocker.
Rationale 3 Potassium channel blockers are a class III medications, they delay repolarization of the myocardial cells and lengthen the refractory period, which stabilizes dysrhythmias. 
Rationale 4 This is the action of adenosine.

A Nursing Student Is Preparing to Give Amiodarone(Cordarone) to a Client