As a paramedic, you were passing by in your car and all of a sudden a vehicle infront of you swerved off the road due to speed and flipped.

As a paramedic, you were passing by in your car and all of a sudden a vehicle infront of you swerved off the road due to speed and flipped. You exited your car to examine the passengers, unfortunately the driver was extremely injured in his forehead and feet, and the wife was suffered from an injury to her arm and has difficulty breathing. There are also kids crying in the backseat. Please descrive the procedure you would take in detail, with respect to priority.