A nurse is caring for a client who is immediately postoperative following a subtotal thyroidectomy.
Vital Signs
1100:
Temperature 37.4° C (99.4° F) Heart rate 98/min Respiratory rate 18/min
Blood pressure 128/68 mm Hg
Pulse oximetry 97% on room air
1115:
Temperature 37.8° C (100.1° F) Heart rate 110/min Respiratory rate 16/min
Blood pressure 138/74 mm Hg
Pulse oximetry 95% on room air
1130:
Temperature 38.6° C (101.5° F). Heart rate 136/min
Respiratory rate 16/min
Blood pressure 154/86 mm Hg
Pulse oximetry 95% on 2 L/min via nasal cannula
Select the 4 client findings that lead the nurse to suspect that the client is experiencing thyroid storm.
A.
Mental status
B.
Wound drainage
C.
Heart rate
D.
Pain
E.
Blood pressure
F.
Temperature
The Correct Answer and Explanation is:
The correct answers are C. Heart rate, E. Blood pressure, and F. Temperature.
Explanation:
Thyroid storm, also known as thyrotoxic crisis, is a severe and life-threatening exacerbation of hyperthyroidism. It typically occurs in patients with undiagnosed or poorly managed hyperthyroidism and is characterized by a sudden and severe increase in symptoms of hyperthyroidism. Here’s a breakdown of why the selected findings are significant:
- Temperature (F): One of the hallmark signs of thyroid storm is a high fever or elevated body temperature. In the given scenario, the client’s temperature increased from 37.4°C (99.4°F) to 38.6°C (101.5°F). This progressive rise in temperature is consistent with the hyperthermia seen in thyroid storm. Patients with thyroid storm often exhibit temperatures that are significantly higher than normal.
- Heart Rate (C): Elevated heart rate is a critical indicator of thyroid storm. The client’s heart rate increased from 98/min to 136/min, which is indicative of tachycardia. In thyroid storm, tachycardia is prominent and can be extreme, often exceeding 140 beats per minute. The rapid heart rate is a result of the increased metabolic rate and catecholamine levels associated with the storm.
- Blood Pressure (E): Increased blood pressure is another sign associated with thyroid storm. The client’s blood pressure rose from 128/68 mm Hg to 154/86 mm Hg. This hypertension can be a result of increased sympathetic activity and heightened metabolic demands. Blood pressure changes are not as definitive as heart rate and temperature, but they can be indicative when combined with other symptoms.
- Mental Status (A): While mental status changes can be a symptom of thyroid storm, they are less specific and might not be immediately evident in this scenario. Altered mental status can include agitation, confusion, or delirium, which are common in severe cases but may not be as directly measurable as vital signs.
Wound drainage (B) and Pain (D), although important for postoperative assessment, are less specific for diagnosing thyroid storm. Wound drainage might indicate infection or other complications, and pain is common after surgery but not specifically indicative of thyroid storm.
In summary, the significant changes in temperature, heart rate, and blood pressure align with the clinical picture of thyroid storm and should be closely monitored and managed.