| The ABCD2 score can be used to estimate the risk of ischemic stroke in the first two days after TIA. The score is tallied as follows: | |
| Age: | |
| ≥60 years | 1 point |
| <60 years | 0 points |
| Blood pressure elevation when first assessed after TIA: | |
| Systolic ≥140 mmHg or diastolic ≥90 mmHg | 1 point |
| Systolic <140 mmHg and diastolic <90 mmHg | 0 points |
| Clinical features: | |
| Unilateral weakness | 2 points |
| Isolated speech disturbance | 1 point |
| Other | 0 points |
| Duration of TIA symptoms: | |
| ≥60 minutes | 2 points |
| 10 to 59 minutes | 1 point |
| <10 minutes | 0 points |
| Diabetes: | |
| Present | 1 point |
| Absent | 0 points |
