A patient is administered medications for the treatment of a rapid dysrhythmia. What is the mechanism of action for these medications?
A) Reducing automaticity
B) Increasing conduction
C) Repolarizing myocardial cells
D) Reducing refractory period
A
Feedback:
Drugs used for the treatment of rapid dysrhythmias mainly reduce automaticity. They slow the conduction of electrical impulses through the heart. They spontaneously depolarize myocardial cells. They prolong the refractory period of myocardial cells.
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