ABCD² Score (TIA)

Total 0–7: age ≥60, BP ≥140/90, speech vs weakness, symptom duration, diabetes.

A, B, D (and age) Age ≥60 years (+1) Initial BP ≥140 systolic OR ≥90 diastolic (+1) Diabetes (+1)

C — Clinical features (choose one)

No speech impairment and no unilateral weakness (0) Speech impairment without weakness (+1) Unilateral weakness (+2)

D — Duration of symptoms

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

Use the worst clinical feature category observed for the index event; scoring is for communication and teaching, not a substitute for neuroimaging.

Educational tool only—not for diagnosis or treatment decisions.

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