us-abim MCQ (SBA): Refractory H. pylori

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HardGastroenterologyRefractory H. pylorius-abimus-usmle-step-3

A 45-year-old with confirmed H. pylori after a 14-day bismuth quadruple therapy still has a positive stool antigen 6 weeks later after stopping PPI for 2 weeks. What is the next step?

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us-abim MCQ: Refractory H. pylori — Answer & Explanation | iatroX