Cardiology

ORBIT Bleeding Score

Bleeding risk on anticoagulation in AF.

Education and reference only. Not a substitute for clinical judgement, local policy or product labelling. Always verify before clinical use. Values are calculated in your browser and never stored.

When to use

Use to estimate major bleeding risk in atrial-fibrillation patients on anticoagulation.

Why use

It is a simple, validated bleeding-risk score.

Advice

Use to inform discussion and modifiable-risk management, not to withhold anticoagulation where stroke risk warrants it.

Evidence & references

  1. O'Brien EC et al. The ORBIT bleeding score for atrial fibrillation. Eur Heart J. 2015.

Related calculators

HAS-BLED ScoreMajor bleeding risk on anticoagulation in atrial fibrillation.CHA₂DS₂-VASc ScoreStroke risk in atrial fibrillation, guiding anticoagulation.

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