ABCD2 Tool for TIA

• ABCD2 tool for assessment of patients with transient ischaemic attack
• A. Age ≥ 60 years = 1 point.
• B. Blood pressure ≥ 140/90 mmHg = 1 point.
• C. Clinical features: unilateral weakness = 2 points, speech impairment alone = 1 point.
• D. Duration > 60 minutes = 2 points, 10–59 minutes = 1 point.
• D. Diabetes = 1 point.
• Total. 0–3 = low risk of stroke, 4–7 = high risk of stroke.

Johnston SC, Rothwell PM, Nguyen-Huynh MN, et al. Validation and refinement of scores to predict very early stroke risk after transient ischaemic attack. Lancet 2007; 367: 283-292.