HEMORR₂HAGES Score
Weighted checklist (max 12): hepatic/renal/malignancy/age>75/platelets (+1 each), prior major bleed (+2), uncontrolled HTN/anemia/genetic factors/alcohol/stroke (+1 each). No fall or drug-interaction items in standard scoring lists.
Calculator
How it works
HEMORR₂HAGES predicts major hemorrhage in patients on anticoagulation. This page follows the 11 items with Gage 2006 risk estimates for teaching.
Limits
Derived from warfarin-era data; definitions of anemia, hypertension control, and genetic testing vary in practice.
Educational tool only—not for diagnosis or treatment decisions.