A 65-year-old patient is admitted to the ICU with myxedema coma. Which of the following interventions is the priority for this patient?
Administer IV levothyroxine.
Start broad-spectrum antibiotics.
Administer corticosteroids immediately.
Initiate fluid restriction.
The Correct Answer is A
Choice A Reason:
Administering IV levothyroxine is the priority intervention for a patient with myxedema coma. Myxedema coma is a severe form of hypothyroidism that requires immediate thyroid hormone replacement to correct the deficiency and stabilize the patient’s condition. Intravenous levothyroxine is preferred because it provides a rapid increase in thyroid hormone levels, which is crucial for reversing the life-threatening symptoms of myxedema coma, such as hypothermia, bradycardia, and altered mental status.
Choice B Reason:
Starting broad-spectrum antibiotics is not the primary intervention for myxedema coma. While infections can precipitate myxedema coma and should be treated if present, the immediate priority is to address the severe hypothyroidism with thyroid hormone replacement. Antibiotics may be administered if an infection is suspected or confirmed, but they do not directly address the underlying thyroid hormone deficiency.
Choice C Reason:
Administering corticosteroids immediately is important but not the highest priority. Corticosteroids are often given to patients with myxedema coma to treat potential adrenal insufficiency, which can coexist with severe hypothyroidism. However, the primary intervention remains the administration of thyroid hormone replacement to correct the hypothyroid state.
Choice D Reason:
Initiating fluid restriction is not appropriate for managing myxedema coma. Patients with myxedema coma often require careful fluid management to address potential hyponatremia and maintain hemodynamic stability. Fluid restriction is not a standard intervention for this condition and does not address the critical need for thyroid hormone replacement.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A Reason:
Allowing the client to keep her hearing aids in is crucial for effective communication between the nurse and the client. Hearing aids help the client understand instructions and respond appropriately, which is essential for ensuring the client’s safety and comfort before surgery. According to preoperative guidelines, patients with hearing impairments should be allowed to use their hearing aids until they are taken to the operating room. This practice helps reduce anxiety and ensures that the client can hear and understand all preoperative instructions and consent information.
Choice B Reason:
Allowing the client to consume clear liquids up to the time of surgery is generally not recommended. Preoperative fasting guidelines typically require patients to stop consuming clear liquids at least two hours before surgery to reduce the risk of aspiration during anesthesia. Therefore, this option is not appropriate for ensuring the client’s safety.
Choice C Reason:
Allowing the client to take her morning vitamins is not advisable without specific instructions from the surgical team. Some vitamins and supplements can interact with anesthesia or increase the risk of bleeding during surgery. It is essential to follow the surgical team’s guidelines regarding medication and supplement intake before surgery.
Choice D Reason:
Allowing the client to keep her tongue stud in is not recommended. All jewelry and body piercings should be removed before surgery to prevent complications such as electrical burns during the use of electrocautery devices or interference with airway management. Removing the tongue stud is necessary to ensure the client’s safety during the procedure.
Correct Answer is D
Explanation
Choice A Reason:
Diabetes Insipidus (DI) is characterized by excessive urination and thirst due to a deficiency of antidiuretic hormone (ADH) or a renal insensitivity to ADH. Patients with DI typically present with hypernatremia (high serum sodium) and low urine osmolality, which contrasts with the findings of low serum sodium and high urine osmolality in this patient.
Choice B Reason:
Adrenal insufficiency can cause hyponatremia and hyperkalemia due to a deficiency in aldosterone and cortisol. However, it usually presents with low serum osmolality and low urine sodium, which does not align with the patient’s laboratory results of high urine osmolality and elevated urine sodium.
Choice C Reason:
Hyperaldosteronism leads to increased sodium reabsorption and potassium excretion, resulting in hypernatremia and hypokalemia. This condition does not match the patient’s findings of hyponatremia and high urine osmolality.
Choice D Reason:
Syndrome of inappropriate Antidiuretic Hormone (SIADH) is characterized by excessive release of ADH, leading to water retention, hyponatremia, and concentrated urine. The patient’s laboratory results of low serum sodium, low serum osmolality, high urine osmolality, and elevated urine sodium are consistent with SIADH. This condition causes the kidneys to reabsorb water, diluting the blood and concentrating the urine.
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