Transfusion of Red Blood Cells, Tranexamic Acid and Fibrinogen Concentrate for Severe Trauma Hemorrhage at Pre-hospital Phase of Care.

Inclusion Criteria: * Age ≥18 years AND * Patients with severe trauma categorized as priority 0 or 1 according to the CatSalut Polytrauma Code (PPT) AND * Evidence of bleeding or a high bleeding suspicion according to physician judgment OR * Predicted to need transfusion according to TICCS score ≥10 Exclusion Criteria: * Moribund patient with devastating injuries and expected to die within 1-hour OR * Known objection to blood components transfusion OR * Known acquired or congenital coagulopathies not related to the actual trauma OR * Known anticoagulant treatment (vitamin K antagonist, dabigatran, rivaroxaban, apixaban) OR * Known Pregnancy OR * Severe isolated traumatic brain injury OR * Hemorrhage not related to the actual trauma