A patient diagnosed with hyperaldosteronism presents with symptoms of a blood pressure of 220/135 mmHg and a potassium level of 3.1 mEq/L. Which of the following interventions should the nurse prioritize?

Schedule the patient for a CT scan of the adrenal glands.

Initiate a low-sodium diet as the first intervention.

Monitor the patient for signs of fluid overload.

Administer potassium supplements to correct hypokalemia.