Physiological Adaptation Q 24

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On the third day after a partial thyroidectomy, Proserfina exhibits muscle twitching and hyperirritability of the nervous system. When questioned, the client reports numbness and tingling of the mouth and fingertips. Suspecting a life-threatening electrolyte disturbance, the nurse notifies the surgeon immediately. Which electrolyte disturbance most commonly follows thyroid surgery?

  

     A. Hypocalcemia

     B. Hyponatremia

     C. Hyperkalemia

     D. Hypermagnesemia

    

    

Correct Answer: A. Hypocalcemia

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Hypocalcemia may follow thyroid surgery if the parathyroid glands were removed accidentally. Signs and symptoms of hypocalcemia may be delayed for up to 7 days after surgery. Thyroid surgery doesn’t directly cause serum sodium, potassium, or magnesium abnormalities.

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Option B: Hyponatremia may occur if the client inadvertently received too much fluid; however, this can happen to any surgical client receiving I.V. fluid therapy, not just one recovering from thyroid surgery.

Option C: Hyperkalemia is not associated with thyroid surgery. It is usually found in patients with reduced renal excretion of potassium and magnesium.

Option D: Hypermagnesemia usually is associated with reduced renal excretion of potassium and magnesium, not thyroid surgery.

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