Pituitary Disorders: Acromegaly and SIADH/DI · NCLEX Exam

Which disorder should the nurse consider if a patient with pituitary surgery develops sudden hyponatremia on day 5 post-op?

  1. Diabetes insipidus alone
  2. SIADH following pituitary surgery
  3. Addison’s disease (adrenal crisis)
  4. Acromegaly recurrence
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Correct answer: SIADH following pituitary surgery

SIADH can occur after pituitary surgery due to transient ADH excess, resulting in hyponatremia; this is a known complication in pituitary patients.

Difficulty: Medium Question 14 of 20

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