ORBIT — Protocol

Bleeding risk in patients with AF receiving anticoagulation

Calculator

Haemoglobin < 13 g/dL (M) / < 12 g/dL (F), or Hct < 40% / 36%

Age > 74 years

Bleeding history (GI bleed, intracranial bleed, haemorrhagic stroke)

eGFR < 60 mL/min/1.73m²

Treatment with antiplatelet agent

Interpretation

Score

Low risk

Low bleeding risk on anticoagulation.