uk-plab-1 MCQ (SBA): Peptic ulcer bleed

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EasyGIPeptic ulcer bleeduk-plab-1

A 47-year-old man presents with black tarry stools and lightheadedness. He is haemodynamically stable. He has a history of chronic NSAID use for back pain. Which investigation is most appropriate first-line to identify the source of bleeding?

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uk-plab-1 MCQ: Peptic ulcer bleed — Answer & Explanation | iatroX