USMLE Step 2 Quiz
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GASTROENTEROLOGY
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A 48-year-old man was diagnosed with *H. pylori*-positive peptic ulcer disease and completed a 14-day course of triple therapy with clarithromycin, amoxicillin, and omeprazole 6 weeks ago. He has been asymptomatic since completing the treatment. He returns to the clinic to confirm eradication of the infection. He is not currently taking any medications. Which of the following is the most appropriate test to confirm H. pylori eradication?
Which of the following is the most appropriate test to confirm H. pylori eradication?
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