<prompt> You are posted as an intern in causality. Which among the followings with fractures will be your 1st priority to call oho PG and inform?Patients finger is blackeningPatient cannot extend his armA 10 cm abrasionIntra - aicular fracture of elbow joint  <response>: Ohopedic emergency:1. Pelvic fracture 2. Vascular injury 3. Septic ahritis 