MDCalc

ORBIT Bleeding Risk Score for Atrial Fibrillation

Predicts bleeding risk in patients on anticoagulation for afib, similar to HAS-BLED.

Use in adult patients with atrial fibrillation, to assess risk of major bleeding with anticoagulation.

Sex
Age >74 years
Bleeding history
Any history of GI bleeding, intracranial bleeding, or hemorrhagic stroke
GFR <60 mL/min/1.73 m2
Treatment with antiplatelet agents

Result:

Please fill out required fields.
Critical Actions

Other risk factors not part of the ORBIT Score may influence the decision for anticoagulation. Patient preferences and values should go into the decision regarding anticoagulation as it pertains to risks vs. benefits of being on anticoagulation for stroke prevention in patients with atrial fibrillation.