Blatchford Score

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The Glasgow-Blatchford bleeding score (GBS) is a screening tool to assess the likelihood that a person with an acute upper gastrointestinal bleeding (UGIB) will need to have medical intervention, such as a blood transfusion or endoscopic intervention.

Glasgow-Blatchford Score (GBS) — Mobile Friendly

Glasgow-Blatchford Score (GBS) Calculator

Enter initial values at presentation. Works great on phones and desktops.

Laboratory & Vitals

g/dL Norm: 12–17
Sex
mg/dL Norm: 8–20
mm Hg Norm: 100–120
Heart rate ≥100?

Clinical Findings

References
  1. Glasgow-Blatchford Score criteria and points (original table). Wikipedia summary with citations to the derivation/validation in The Lancet.
  2. Guideline context for low-risk (GBS 0–1) outpatient pathways: American College of Gastroenterology Guideline on Upper GI & Ulcer Bleeding (2021) and subsequent reviews.
  3. Association of higher scores (e.g., ≥6) with need for clinical intervention: validation summaries in emergency/medicine references.

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