A client with a history of hypertension, myocardial infarction, and heart failure is admitted to the surgical intensive care unit after coronary artery bypass surgery graft (CABG). The nurse determines the client's serum potassium level is 4.5 mEq/L. What action should the nurse implement?
Notify the healthcare provider.
Decrease the IV solution flow rate.
Document the finding as the only action.
Administer potassium replacement as prescribed.