When discussing class IB antiarrhythmics, which of the following would the nurse identify as an effect? Select all that apply
A) Shortening of the action potential duration
B) Depression of cardiac conduction
C) Prolongation of the action potential
D) Slowing of repolarization
E) Increase in cardiac conduction
Ans: A, B
Feedback:
Class IB antiarrhythmics shorten the action potential and selectively depress cardiac conduction.
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