Registered Nurse (RN) Endocrine Licensure Exam

Which treatment is NOT appropriate for myxedema coma?

1. Corticosteroids

2. IV glucose

3. Hypotonic IV solutions

4. IV Synthroid

The correct answer is: Hypotonic IV solutions

In the context of myxedema coma, which is a severe form of hypothyroidism characterized by a significant decrease in metabolism and can lead to coma, treatment options need to be carefully considered. The correct answer indicates that hypotonic IV solutions are not appropriate for managing this condition. Myxedema coma typically involves severe fluid retention, hyponatremia (low sodium levels), and potential cardiovascular complications. Administering hypotonic solutions can exacerbate these issues by further diluting serum sodium levels, risking cerebral edema and worsening the patient's condition. In contrast, corticosteroids may be given if there is a concern for adrenal insufficiency, IV glucose can help manage hypoglycemia if present, and IV Synthroid (synthetic thyroid hormone) is essential for restoring thyroid function in patients suffering from myxedema coma. Each of these treatments is tailored to address specific metabolic deficits and restore normal physiologic function safely.