Thursday afternoon BCEMS along with the BCFD responded to a 2 vehicle accident on Cass White Rd at Old Grassdale Rd. BCEMS arrived on the scene to find a teenaged female still in the vehicle unconscious and unresponsive. The patient had to be extricated from the vehicle. BCEMS requested Air life be enroute for transport. BCEMS crew began treatment of the patient for numerous trauma injuries during extrication and continued treatment until the patient was released to the flight crew. The patient was flown to a level 1 trauma center for further treatment.