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

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

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

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