| Age: |
| Age ≥60 years |
| History: |
| Earlier TIA or ischemic stroke within 30 days of index event |
| History of diabetes |
| Blood pressure elevation when first assessed after TIA: |
| Systolic ≥140 mmHg or diastolic ≥90 mmHg |
| Clinical features: |
| Unilateral weakness |
| Isolated speech disturbance |
| Duration of TIA symptoms >10 minutes |
| Imaging features: |
| Acute infarction on diffusion-weighted MRI (ie, TIA with infarction) |
| Acute or chronic ischemic lesions on CT |
| Multiple acute infarcts |
| Simultaneous acute infarcts in both hemispheres or in both anterior and posterior circulations |
| Multiple infarcts of different ages (combination of acute and subacute infarcts) |
| Isolated cortical infarcts (without accompanying deep or subcortical infarcts) |
| TIA etiology: |
| Large artery atherosclerosis |
