The Patient Has Been in Skeletal Traction for External Fixation

The patient has been in skeletal traction for external fixation of his femur for 2 days.Suddenly, he calls the nurse complaining of chest pain and shortness of breath.The nurse notes that the patient appears anxious, and that his pulse and respirations are elevated.She should do which of the following? (Select all that apply.)

A) Massage the lower extremity
B) Elevate the head of the bed
C) Administer oxygen
D) Notify the physician