Digoxin is a paradoxical drug, which means :
A) its many effects on the lungs make it an effective bronchodilator.
B) its many effects on the heart make it both an ineffective antiarrhythmic and an antidysrhythmic.
C) its many effects on the heart make it both an effective antiarrhythmic and a potent prodysrhythmic.
D) its many effects on the lungs make it an ineffective bronchodilator.

Question

Quizplus · Accepted Answer

Digoxin has multiple effects on the heart including increasing the force of contraction and decreasing the heart rate, which make it an effective antiarrhythmic. However, these same effects can also lead to dysrhythmias, making it a potent prodysrhythmic drug. Digoxin does not have significant effects on the lungs, so options A and D are incorrect. Option B is incorrect as it suggests conflicting effects on the heart, which is not the case with digoxin.

Digoxin Is a Paradoxical Drug, Which Means