Clinical Research Directory

Inclusion Criteria: * -All adult patients suffering mild TBI:( Defined by at least criterion a) and d) and one or more of the other criteria) 1. The presence of a plausible traumatic mechanism observed/or related by the patient´s recount of the injury event. 2. Presence of one or more clinical signs attributable to brain injury: Loss of consciousness immediately following injury, alteration of mental status immediately following the injury, posttraumatic amnesia or any neurological abnormality. 3. At least two acute symptoms related to the injury: feeling confused or disoriented, headache, nausea, vomiting, dizziness, vision problems, memory problems, emotional lability or irritability. 4. a GCS between 15 and 13, at least 30 minutes after injury. * Blood sample obtained ≤12 h after injury and ideally before any imaging prescription. Exclusion Criteria: * · GCS 3-12 on admission * Age Below 18 years * Time of injury unknown * Time to injury exceeding 12 hours * Primary admission for non-traumatic neurological disorder (e.g., stroke, spontaneous, intracranial hematoma) * Penetrating head trauma * Patient with mechanical ventilation from the trauma scene or prehospital management * Venipuncture not feasible