A 30 year old man is brought to the emergency department after a high speed motor vehicle collision. He is unconscious with a GCS of 6, blood pressure 80/40 mm Hg and heart rate 130. What is the most appropriate immediate management priority?AObtain a CT scan of the head and spineBSecure airway with rapid sequence intubation while initiating aggressive fluid resuscitation and haemorrhage controlCApply a cervical collar and wait for imagingDGive analgesia and observe until he wakesEArrange social work review for familyCheck my answer