An unidentified man is brought to the ICU by an ambulance after a severe car accident, he is about 70 years old. An ambulance doctor is referring: Patient was alone in the car, he was driving, frontal collision with a tree, he was being rescued from the car for 20 minutes, airbags and seatbelts were present. After the rescue conscious, cooperative, spontaneously ventilating , pale, sweaty, heart rate accelerated. Open fracture of the right femur and tibia, fractures of both forearms, abdomen diffusely peritonic, head and neck without signs of injury. Intubation and artificial lung ventilation were necessary due to severity of the injuries. Administered medication: Fentanyl, Dormicum, Propofol, Exacyl (tranexamic acid), Ringerfundin, Gelaspan. You are the physician at the ICU. You examined the patient, started monitoring vital signs, drew blood samples AAA, indicated eFAST, and considered full body CTscan. What test do you choose to determine the current status of haemocoagulation?
