Table 1

 “Red flag” conditions requiring immediate hospital treatment

TraumaNon-trauma
Obvious fracture/dislocationReferred pain from chest or abdomen
Open fractureIschaemia/vascular problems/suspected DVT
Severe pain not relieved by simple analgesiaSeptic arthritis/invasive soft tissue infections
Suspected compartment syndrome“Kids” problems such as slipped epiphysis
Neurovascular compromiseNeurological deficit, for example, cauda equina syndrome