CPN(C) Perioperative Practice Questions - CNA Certification - Perioperative Nursing (CPN(C)) Exam

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During the preoperative assessment of a patient scheduled for open-heart surgery, the nurse notes a serum potassium level of 2.8 mmol/L. What is the priority intervention?

Notify the surgeon and anesthesiologist immediately, as this level of hypokalemia poses a severe risk of cardiac arrhythmias. Document the finding in the electronic chart and continue checking the remaining lab values. Encourage the patient to drink orange juice to elevate potassium levels before transfer. Administer a rapid intravenous bolus of potassium chloride as per the preoperative standing orders.

Correct Answer:

Notify the surgeon and anesthesiologist immediately, as this level of hypokalemia poses a severe risk of cardiac arrhythmias.

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