A patient's cardiac monitor shows a rate of 89 with a PR interval of 0.2 second and a QRS of 0.10 second. What is the most important nursing action?
1. Start the patient on O2 at 4 L/min via nasal cannula.
2. Obtain a 12-lead ECG immediately.
3. Report these abnormal findings to the health care provider.
4. Continue to monitor the patient's cardiac status.
4
Rationale 1: Supplemental oxygen is not necessary at this time.
Rationale 2: With the information provided an ECG is not necessary.
Rationale 3: Because these parameters are within normal limits, this response would not be appropriate.
Rationale 4: The parameters given are within normal limits; continuing to monitor the patient is the most appropriate action to do.
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