Table 1.
Canadian TIA Score
| Items | Points |
|---|---|
| Clinical findings: | |
| 1) First transient ischaemic attack (in lifetime) | 2 |
| 2) Symptoms ≥10 minutes | 2 |
| 3) Past history of carotid stenosis | 2 |
| 4) Already on antiplatelet therapy | 3 |
| 5) History of gait disturbance | 1 |
| 6) History of unilateral weakness | 1 |
| 7) History of vertigo | −3 |
| 8) Initial triage diastolic blood pressure ≥110 mm Hg | 3 |
| 9) Dysarthria or aphasia (history or examination) | 1 |
| Investigations in emergency department: | |
| 1) Atrial fibrillation on electrocardiogram | 2 |
| 2) Infarction (new or old) on computed tomography | 1 |
| 3) Platelet count ≥400×109/L | 2 |
| 4) Glucose ≥15 mmol/L | 3 |
| Total score (−3 to 23): | X |