Enter urea, haemoglobin, blood pressure, and pulse to calculate
Evidence
Original publication
Blatchford O, Murray WR, Blatchford M. A risk score to predict need for treatment for upper-gastrointestinal haemorrhage.
The Lancet, 2000
Open source
Validation
Stanley AJ, Ashley D, Dalton HR, et al. Outpatient management of patients with low-risk upper-gastrointestinal haemorrhage: multicentre validation and prospective evaluation. Patients with a score of 0 (extended by some centres to ≤ 1) were safely managed without early endoscopy.
The Lancet, 2009
Open source
Last reviewed: 2026-09
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MedScore is an educational and clinical decision-support tool. It does not provide a diagnosis, a treatment, or a drug-dosing recommendation, and it does not replace clinical judgement or local guidelines. Confirm every result against the original source before acting on it. The treating clinician remains responsible for all decisions.