gastroenterology MCQ (SBA): ACG Clinical Guideline (2023): Acute Lower GI Bleeding

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MediumCT angiography can localize active bleeding to guide therapy; colonoscopy may be less feasible acutely. Stool studies (C) and barium enema (E) are not appropriate. Push enteroscopy (D) is for small bowel evaluationACG Clinical Guideline (2023): Acute Lower GI Bleedinggastroenterology

A 55-year-old with lower GI bleeding presents haemodynamically unstable. After resuscitation, ongoing brisk bleeding persists. Best next diagnostic step?

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gastroenterology MCQ: ACG Clinical Guideline (2023): Acute Lower GI Bl