Inclusion Criteria- Age ≥ 18 years.
- Non-refusal of "general consent"
- Patients with focal clinical neurological deficits with symptom onset of < 6 hours or wake-up strokes.
Exclusion Criteria- Interval from symptom onset to clinical examination of > 6 hours.
- Patients who do not have focal clinical neurological deficit at examination will not be included in the study.