Glasgow-Blatchford Score Calculator

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Glasgow-Blatchford Bleeding Score

Clinical Decision Tool

Risk-stratifies upper gastrointestinal bleeding before endoscopy using clinical and laboratory variables.

Blood Urea (mmol/L)

<6.5 (+0) 0 6.5–7.9 (+2) +2 8.0–9.9 (+3) +3 10.0–24.9 (+4) +4 ≥25 (+6) +6

Sex

Male 0 Female 0

Haemoglobin — Male (g/L)

Not applicable / female (+0) 0 ≥130 (+0) 0 120–129 (+1) +1 100–119 (+3) +3 <100 (+6) +6

Haemoglobin — Female (g/L)

Not applicable / male (+0) 0 ≥120 (+0) 0 100–119 (+1) +1 <100 (+6) +6

Systolic Blood Pressure (mmHg)

≥110 (+0) 0 100–109 (+1) +1 90–99 (+2) +2 <90 (+3) +3

Pulse ≥100 beats/min

No 0 Yes (+1) +1

Melena

No 0 Yes (+1) +1

Syncope

No 0 Yes (+2) +2

Known hepatic disease

No 0 Yes (+2) +2

Known cardiac failure

No 0 Yes (+2) +2

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Clinical Decision Support Only

MediCalc calculators are intended to support qualified healthcare professionals and must not replace professional clinical judgement. Do not enter patient-identifiable information into Saved Progress.

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