Neurology

ABCD² Score Calculator

Stroke risk after TIA

Clinical use

Use this calculator for stroke risk after tia in theneurology workflow. It is decision support and should be interpreted with the patient context, local protocols, and clinician judgment.

Interpretation

Score 0-3: low risk. 4-5: moderate. 6-7: high risk of stroke within 7 days post-TIA. Score ≥4: urgent investigation and dual antiplatelet therapy within 24h.

Required inputs

Age 60 +
BP Elevated
Clinical Features Unilateral Weakness
Clinical Features Speech Disturbance
Duration 60 + Mins
Duration 10 To 59 Mins
Diabetes

Evidence and limitations

This page cites 1 published reference. Confirm units and inclusion criteria before applying the output; calculators do not replace assessment, escalation, or local policy.

References

Johnston SC et al. Lancet 2007;369:283-292

Frequently asked questions

What is the ABCD² Score?

ABCD² Score is a clinical calculator used for Stroke risk after TIA.

How do I interpret the ABCD² Score?

Score 0-3: low risk. 4-5: moderate. 6-7: high risk of stroke within 7 days post-TIA. Score ≥4: urgent investigation and dual antiplatelet therapy within 24h.

What inputs are required for the ABCD² Score?

Required inputs include Age 60 +, BP Elevated, Clinical Features Unilateral Weakness, Clinical Features Speech Disturbance, Duration 60 + Mins, Duration 10 To 59 Mins, Diabetes.