ABCD² score for TIA
Early stroke risk after a transient ischemic attack.
Inputs
CompleteAge 60 or older
BP 140/90 or higher at first evaluation
Clinical features
Duration
Diabetes
Worked calculation
Your values are highlighted.
- Points
When to use
- Patients with suspected TIA.
Pearls and pitfalls
- Should not replace urgent imaging and vascular workup; even low scores can harbor carotid stenosis or atrial fibrillation.
Why use
Quick early stroke risk.
| Criterion | Points |
|---|---|
| Age 60 or older | +1 |
| BP 140/90 or higher at first evaluation | +1 |
| Clinical features: Other | 0 |
| Speech disturbance without weakness | +1 |
| Unilateral weakness | +2 |
| Duration: Under 10 min | 0 |
| 10–59 min | +1 |
| 60 min or more | +2 |
| Diabetes | +1 |