Difficulty: Medium
Average Score: 83%
Simulated
While caring for a client who has sustained a myocardial infarction (MI), the nurse notes eight premature ventricular contractions (PVCs) in 1 minute on the cardiac monitor. The client is receiving an I.V. infusion of 5% dextrose in water (D5W) and oxygen at 2 L/minute. The nurse's first course of action should be:
Correct answer
B
Rationale
Frequent PVCs (eight per minute) may indicate irritability of the myocardium, risking serious arrhythmias. Notifying the physician promptly ensures timely intervention, such as antiarrhythmic therapy.