GI Bleeding
General Medicine · Topic 15
Source: NMC CBME Curriculum 2024 · Volume II · General Medicine · Topic 15 · combined PDF page 305
Practice questions
- A hemodynamically stable patient presents with nonvariceal upper GI bleeding and no features placing them in a high-risk group. Which endoscopy-timing strategy is best supported by the supplied systematic review?
- A patient with nonvariceal upper GI bleeding is hemodynamically unstable despite initial assessment. Which statement about endoscopy timing is most consistent with the supplied evidence?
- A hospital proposes performing endoscopy within 6–12 hours for every patient with nonvariceal upper GI bleeding, including stable low-risk patients. Which evidence-based response is most appropriate?
- A review comparing early and delayed endoscopy in nonvariceal upper GI bleeding reports that early endoscopy within 24 hours is consistently associated with which health-system outcome?
- In a meta-analysis of high-risk nonvariceal upper GI bleeding, over-the-scope clips were compared with standard endoscopic therapy. Which outcome pattern was reported?
- A patient with high-risk nonvariceal upper GI bleeding undergoes endoscopic hemostasis with an over-the-scope clip. Which statement best describes the pooled rebleeding results compared with standard therapy?
- After OTSC treatment for high-risk nonvariceal upper GI bleeding, a trainee concludes that the meta-analysis proves a mortality benefit. Which interpretation is most accurate?
- A meta-analysis found a mean procedure time difference of −6.62 minutes for OTSCs versus standard therapy. What does this result indicate?
- A clinician asks whether OTSCs shorten hospitalization in high-risk nonvariceal upper GI bleeding. Which conclusion is supported by the supplied meta-analysis?
- A patient has diffuse bleeding from a friable gastric malignancy. Which feature makes a topical hemostatic agent a particularly practical endoscopic option?
- A systematic review of topical hemostatic agents for malignancy-related GI bleeding reported pooled primary hemostasis in approximately what proportion of patients?
- Despite initial hemostasis with a topical agent for tumor-related GI bleeding, which counseling point is most consistent with the systematic review?
- In a comparative meta-analysis, hemostatic powder monotherapy was compared with conventional endoscopic treatment for malignancy-related bleeding. Which result was reported?
- For nonmalignancy-related GI bleeding, what conclusion did the hemostatic-powder meta-analysis reach when comparing powder monotherapy with conventional endoscopic treatment?
- A patient has overt GI bleeding that remains unexplained after initial evaluation, with suspected small-bowel origin. Which investigation pair is central to the small-bowel evaluation described in the supplied meta-analysis?
- In the supplied meta-analysis of overt obscure GI bleeding, which study definitions were used for an 'early' approach?
- Compared with a nonearly approach, what pattern was associated with early SBCE and DAE in overt obscure GI bleeding?
- A clinician is deciding whether to expedite small-bowel evaluation in overt obscure GI bleeding. Which additional outcome was associated with early SBCE or DAE in the meta-analysis?
- A physician asks whether the meta-analysis establishes one optimal time threshold for early device-assisted enteroscopy. Which answer is most accurate?
- A patient has recurrent obscure GI bleeding and documented angiodysplasia. Which underlying hemostatic abnormality is emphasized in the supplied review as relevant to this presentation?
- A patient with recurrent angiodysplasia-related GI bleeding has a history suggestive of an underlying bleeding disorder. Which diagnostic approach is most consistent with the supplied vWF review?
- Which statement best represents the conceptual framework proposed in the supplied review for vWF-associated GI bleeding?
- In a patient with suspected small-bowel bleeding, which statement best describes the current role of magnetic resonance enterography according to the supplied review?
- A patient with suspected small-bowel bleeding is being considered for noninvasive imaging. Which comparison is consistent with the supplied MRI review?
- A patient has ongoing GI bleeding with a lesion not detected by standard evaluation. Which conclusion about MRI is most appropriate based on the supplied review?