A nurse is providing discharge teaching to a client who has bipolar disorder and will be discharged with a prescription for lithium. The nurse could teach the client which of the following factors puts her at risk for lithium toxicity?
A.
A client runs 4 miles outdoors every afternoon.
B.
The client eats 2 to 3 gm of sodium-containing foods daily.
C.
The client drinks 2 liters of liquids daily.
D.
The client eats foods high in tyramine.
The correct answer and Explanation is :
The correct answer is A. A client runs 4 miles outdoors every afternoon.
Explanation:
Lithium is a medication commonly used to treat bipolar disorder. One of the key concerns with lithium therapy is the risk of toxicity, which can occur if the levels of lithium in the blood become too high. Various factors can affect lithium levels and increase the risk of toxicity.
Exercise and Lithium Toxicity:
The option stating that the client runs 4 miles outdoors every afternoon is most relevant to lithium toxicity risk. Regular and intense physical activity, particularly in hot weather, can lead to dehydration. Dehydration affects the body’s ability to regulate electrolytes, including sodium, which is crucial for maintaining appropriate lithium levels. Lithium levels can become elevated if the body loses too much fluid and sodium, leading to a higher risk of toxicity. It’s essential for clients on lithium to maintain adequate hydration and to be aware of the impact of exercise on their fluid balance.
Sodium Intake and Lithium:
While sodium intake does influence lithium levels, consuming 2 to 3 grams of sodium-containing foods daily (option B) is generally considered within a normal range and usually does not directly lead to toxicity. However, large fluctuations in sodium intake can affect lithium levels.
Fluid Intake:
Drinking 2 liters of liquids daily (option C) is usually adequate and helps maintain proper hydration, which is crucial for preventing lithium toxicity. This amount of fluid intake generally supports balanced lithium levels.
Tyramine and Lithium:
Tyramine (option D) is associated with monoamine oxidase inhibitors (MAOIs), not lithium. Foods high in tyramine do not significantly affect lithium levels or toxicity risk.
In summary, the main risk factor for lithium toxicity in this scenario is the potential for dehydration due to intense exercise. The nurse should advise the client on maintaining adequate hydration, especially when engaging in vigorous physical activity.