The nurse is trying to evaluate understanding among a group of nursing students. The nurse asks, "Which statement is accurate about the effects of lidocaine on the heart?" The students' best answer is that lidocaine
a. speeds up conduction in the atria, the ventricles, and the His-Purkinje system.
b. increases automaticity in the ventricles and the His-Purkinje system.
c. slows depolarization.
d. has no significant impact on the ECG.
D
Lidocaine has no significant impact on the ECG.
Lidocaine slows conduction in the atria, ventricles, and His-Purkinje system.
Lidocaine reduces automaticity in the ventricles.
Lidocaine accelerates depolarization.
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