A patient taking ketoconazole, an antifungal agent, was also prescribed dofetilide to treat arrhythmias. The therapeutic window for dofetilide is 8–15 μg/mL. The patient’s serum levels are taken 48 hours after his first dose and his serum levels are 3 μg/mL. What is the cause of these reduced serum levels?
A patient taking ketoconazole, an antifungal agent, was also prescribed dofetilide to treat arrhythmias. The therapeutic window for dofetilide is 8–15 μg/mL. The patient’s serum levels are taken 48 hours after his first dose and his serum levels are 3 μg/mL. What is the cause of these reduced serum levels?
Chapter9: Parenteral Medication Labels And Dosage Calculation
Section: Chapter Questions
Problem 7.7P
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A patient taking ketoconazole, an antifungal agent, was also prescribed dofetilide to treat arrhythmias. The therapeutic window for dofetilide is 8–15 μg/mL. The patient’s serum levels are taken 48 hours after his first dose and his serum levels are 3 μg/mL.
What is the cause of these reduced serum levels?
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