The nurse is caring for a patient who requires transcutaneous pacing. She sets the rate to 80/min. She knows that the milliamperage setting is adequate when:
A) She sees the pacemaker spike at a rate of 80/min.
B) The milliamperage reaches 40.
C) There is evidence of a paced QRS.
D) Oxygenation has improved.
Ans: C
Feedback: The appropriate ECG complex should immediately follow the pacing spike; therefore, a QRS complex should follow a ventricular pacing spike.
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