Berlin PRehospital Or Usual Delivery of Acute Stroke Care

STEMO, the intervention, includes prehospital neurological emergency assessment with the option to perform CT and CT-angiography, start specialized treatment at the door-step of the patient's house, including thrombolysis with tissue Plasminogen Activator and blood pressure Management (choice of drug at discretion of treating physician), use telemedicine for further expertise as well as results of point-of-care laboratory, prenotification (e.g. for endovascular treatment), triage and transport.

A regular ambulance, the comparator intervention, not equipped with advanced point-of-care laboratory or CT scanner, without telemedicine and not staffed with a neurologist.