us-abim MCQ (SBA): Refractory GERD (testing)

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HardGastroenterologyRefractory GERD (testing)us-abim

A 51-year-old man with chronic GERD but normal EGD continues symptoms despite 8 weeks of PPI. Next diagnostic step?

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us-abim MCQ: Refractory GERD (testing) — Answer & Explanation | iatroX