ORBIT

• Older age (≥ 75)+1
• Reduced Hb (<130 g/L men, <120 g/L women), low haematocrit, or history of anaemia+2
• Bleeding history+2
• Insufficient kidney function (eGFR < 60)+1
• Treatment with an antiplatelet+1

Source: NICE NG196 — Atrial fibrillation

For healthcare professionals, as an aid to clinical judgement — not a substitute for it. Follow your local policy and ask a senior when in doubt.