ABCD² — TIA Risk Score

Estimate short-term stroke risk after a transient ischemic attack (TIA). Select the single best option for each category.

Total

0

Low (0–3)

Age

≥ 60 years (+1) < 60 years (+0)

Blood Pressure at presentation

≥ 140/90 mmHg (+1) < 140/90 mmHg (+0)

Clinical features

Unilateral weakness (+2) Speech disturbance without weakness (+1) Other symptoms (+0)

Duration of symptoms

≥ 60 minutes (+2) 10–59 minutes (+1) < 10 minutes (+0)

Diabetes

Yes (+1) No (+0)

Educational tool only. Does not replace clinical judgment or local protocols. Consider imaging and secondary prevention as per guidelines.

Use within the context of a suspected TIA.
Does not account for imaging, dual TIA events (ABCD³-I), or anticoagulation status.
Document time of symptom onset when available.

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