Viskoelastizitätsbasierte „Point-of-care“-Gerinnungsdiagnostik im Kontext des Schockraummanagements von blutenden Traumapatienten Viscoelasticity-based point of care coagulation diagnostics in the context of resuscitation room management of severely injured and bleeding trauma patients : Diagnostics and treatment of trauma-induced coagulopathy Diagnostik und Therapie der traumainduzierten Koagulopathie : Diagnostics and treatment of trauma-induced coagulopathy