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Glasgow-Blatchford score: upper GI bleed

Hepatology & GI

Pre-endoscopy triage. A score of 0–1 can be managed as an outpatient; it outperforms pre-endoscopy Rockall for predicting need for intervention.

What you enter

  • Urea: <6.5 mmol/L / 6.5–7.9 / 8.0–9.9 / 10–24.9 / ≥25
  • Haemoglobin: Man ≥130 g/L / woman ≥120 / Man 120–129 / Woman 100–119 / Man 100–119 / <100 (either)
  • Systolic BP: ≥110 / 100–109 / 90–99 / <90
  • Pulse ≥100 (+1)
  • Melaena (+1)
  • Syncope (+2)
  • Liver disease (+2)
  • Cardiac failure (+2)
FORMULAUrea + Hb + SBP + pulse + melaena + syncope + liver disease + cardiac failure
SourceBlatchford O, Murray WR, Blatchford M. A risk score to predict need for treatment for upper-gastrointestinal haemorrhage. Lancet 2000;356:1318-21ReviewedFormula and thresholds checked against the source on 2026-08-22. If the source updates, this line will say so.