ABCD² Score Calculator (TIA Stroke Risk)
Calculate the ABCD² score to estimate the 2-day stroke risk after a transient ischaemic attack (TIA).
How to Use the ABCD² Calculator
- Select age ≥60 years (1 point) or <60 (0 points).
- Select whether BP ≥140/90 mmHg (1 point).
- Select clinical features (0–2 points).
- Select symptom duration (0–2 points).
- Select presence of diabetes (1 point).
Anwendungsfälle
- •Estimating 2-day stroke risk after TIA.
- •Guiding hospital admission decisions.
- •Prioritising urgent neurovascular workup.
Formel
ABCD² = Age(0-1) + BP(0-1) + Clinical features(0-2) + Duration(0-2) + Diabetes(0-1). Max = 7.
Häufig gestellte Fragen
What is the ABCD² score?
The ABCD² score is used to estimate the short-term risk of stroke after a transient ischaemic attack (TIA). It helps guide decisions about hospital admission and urgency of workup.
How is the ABCD² score interpreted?
Score 0–3: Low risk (~1% 2-day stroke risk). Score 4–5: Moderate (~4%). Score 6–7: High (~8%). Higher scores warrant urgent evaluation and admission.
Medical disclaimer
This calculator is for educational purposes only. It does not replace professional medical evaluation. Always consult a qualified healthcare provider for clinical decisions.