Gastroenterology

Glasgow-Blatchford Bleeding Score Calculator

Upper GI bleed risk stratification and need for intervention

Calculate GBS

BUN (mg/dL)

Hemoglobin (g/dL)

Sex

Systolic BP (mmHg)

Heart Rate (bpm)

MelenaSyncopeHepatic DiseaseHeart Failure

Clinical use

Use this calculator for upper gi bleed risk stratification and need for intervention in thegastroenterology workflow. It is decision support and should be interpreted with the patient context, local protocols, and clinician judgment.

Interpretation

Score 0: very low risk — outpatient management appropriate. Score ≥6: high risk — endoscopy within 24h. Best pre-endoscopy tool for upper GI bleeding risk.

Required inputs

BUN
Hemoglobin
Sex
Systolic BP
Heart Rate
Melena
Syncope
Hepatic Disease
Heart Failure

Evidence and limitations

This page cites 1 published reference. Confirm units and inclusion criteria before applying the output; calculators do not replace assessment, escalation, or local policy.

References

Blatchford O et al. Lancet 2000;356:1318-1321

Frequently asked questions

What is the Glasgow-Blatchford Bleeding Score?

Glasgow-Blatchford Bleeding Score is a clinical calculator used for Upper GI bleed risk stratification and need for intervention.

How do I interpret the Glasgow-Blatchford Bleeding Score?

Score 0: very low risk — outpatient management appropriate. Score ≥6: high risk — endoscopy within 24h. Best pre-endoscopy tool for upper GI bleeding risk.