Case 2

Place the common injury and less likely injury in the correct areas

The patient starts to complain of increasing generalised abdominal and lower back pain. His heart rate is 110 bpm and blood pressure is 100/65 mmHg. Examination reveals a generally tender abdomen. You log-roll him and find that he is tender in his mid-lumbar region. There is no neurological abnormality.

Select the three investigations that will be most useful and appropriate in determining this patient's underlying injury.