Inclusion Criteria- All patients met by emergency services within 4 hours after symptom onset
- Stroke symptoms: sudden weakness of leg or arm, especially on one side, facial asymmetry and/or sudden trouble walking, and speech disturbance (Norwegian Index of medical emergencies 27.03-27.05).
- Patients from the Hospital dispatch center area, being more than 10-15 minutes drive from the hospital.
- Giving informed consent, written or oral, if possible or consent from relative at site
Exclusion Criteria- Age under 18 years
- Female < 50 years and uncertainty of pregnancy