NURSING EXAM QUESTIONS
PSYCHIATRIC NURSING
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A nurse reviews the laboratory results of a client taking lithium carbonate (Lithobid). Which serum electrolyte value would the nurse identify as a precipitating factor for lithium toxicity?
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Sodium 130 mEq/L
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Sodium 145 mEq/L
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Calcium 8.4 mg/dL
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Calcium 10.2 mg/dL
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Explanation:
Detailed explanation-1: -It can cause hypercalcemia, decrease intracellular potassium, thus interfering with impulse propagation and depolarization which manifests as ST, T changes on ECG. It was proposed that lithium interfering with potassium can cause intracellular hypokalemia and extracellular hyperkalemia.
Detailed explanation-2: -Nursing care The expected therapeutic range of lithium is 0.6-1.2 mEq/L. Amounts over 1.5 mEq/L are indicative of lithium toxicity.
There is 1 question to complete.