A Man With Severe Back Pain Andrea Mytinger, DO, Erik P. Kraai, MD  Annals of Emergency Medicine  Volume 69, Issue 4, (April 2017) DOI: 10.1016/j.annemergmed.2016.10.015 Copyright © 2016 American College of Emergency Physicians Terms and Conditions

Figure 1 Postintubation portable chest radiograph revealing subcutaneous emphysema in the left axilla and upper arm. Annals of Emergency Medicine 2017 69, DOI: (10.1016/j.annemergmed.2016.10.015) Copyright © 2016 American College of Emergency Physicians Terms and Conditions

Figure 2 Portable abdominal radiograph showing bilateral subcutaneous emphysema in the groin and extending to the left iliopsoas musculature. Annals of Emergency Medicine 2017 69, DOI: (10.1016/j.annemergmed.2016.10.015) Copyright © 2016 American College of Emergency Physicians Terms and Conditions

Figure 3 Portable lateral femur radiograph demonstrating extensive subcutaneous emphysema involving the left thigh and extending into the left calf. Annals of Emergency Medicine 2017 69, DOI: (10.1016/j.annemergmed.2016.10.015) Copyright © 2016 American College of Emergency Physicians Terms and Conditions