A nurse is preparing to administer total parenteral nutrition (TPN) to a client. The nurse should notify the provider of which of the following findings?
A.
Blood glucose 100 mg/dL.
B.
Client’s temperature 37.6°C (99.7°F).
C.
Potassium 5.7 mEq/L.
D.
Weight loss of 0.8 kg/day (1.8 lb/day).
The Correct Answer and Explanation is:
The correct answer is C. Potassium 5.7 mEq/L.
Explanation:
Total Parenteral Nutrition (TPN) is a complex nutritional therapy used for patients who cannot receive adequate nutrition through enteral routes. It provides a complete source of nutrients, including carbohydrates, proteins, fats, vitamins, and minerals, directly into the bloodstream. When administering TPN, careful monitoring of the patient’s electrolyte levels, especially potassium, is critical.
In this scenario, the nurse is preparing to administer TPN and notices that the client’s potassium level is 5.7 mEq/L. This finding is significant because it indicates hyperkalemia, which is an elevated level of potassium in the blood. Normal potassium levels typically range from 3.5 to 5.0 mEq/L. Elevated potassium can lead to severe complications, including cardiac arrhythmias, muscle weakness, and paralysis. Since TPN can influence electrolyte balance, especially potassium levels, the presence of hyperkalemia must be addressed before starting TPN.
In contrast, the other findings presented—blood glucose at 100 mg/dL, a temperature of 37.6°C (99.7°F), and a weight loss of 0.8 kg/day—are less critical in this context. A blood glucose level of 100 mg/dL is within the normal range, suggesting no immediate concern regarding glucose management. A mild elevation in temperature could indicate a low-grade fever but is not necessarily an immediate concern for TPN administration without other symptoms of infection. Similarly, weight loss of 0.8 kg/day, while notable, does not directly warrant immediate notification of the provider, especially if the client is receiving TPN for nutritional support.
In summary, the elevated potassium level is a pressing issue that requires intervention, making it imperative for the nurse to notify the provider before administering TPN. This proactive measure can help prevent potential life-threatening complications associated with hyperkalemia.