His airway is clear. He is breathing adequately. There was no report of blood loss at the scene. He is warm and well perfused. Thus his circulation is adequate.
Neurological dysfunction is assessed by looking at conscious level , pupils and posture .
The AVPU is simple to carry out and offers a rapid method of assessment. On examination of the pupils the right pupil is found to be fixed and dilated, the left pupil is small and reacting. This is a neurological emergency where delay may result in a fatal outcome or major disability. A rapid secondary survey is carried out to exclude other life threatening injuries. Cervical spine immobilisation with a long spine board, rigid collar, lateral blocks and straps.