The nurse is caring for a patient being treated pharmacologically for heart failure. Which laboratory values is the nurse careful to monitor during treatment?

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The nurse monitors potassium levels because heart failure medications like diuretics can affect potassium. BUN and creatinine are monitored to assess kidney function, which can be affected by heart failure medications. Serum drug levels are monitored to ensure therapeutic levels and avoid toxicity.

The Nurse Is Caring for a Patient Being Treated Pharmacologically