1. Volume 3, Issue 3, Pages 102-105 (March 2018)
Cricoid pressure to prevent gastric deflation during esophagogastroduodenoscopy 
Haruka Toyonaga, MD, Shuko Morita, MD, Tetsuro Inokuma, MD, PhD, Yasumasa Ezoe, MD, PhD 
VideoGIE 
Volume 3, Issue 3, Pages (March 2018)
DOI: /j.vgie
Copyright © 2018 American Society for Gastrointestinal Endoscopy Terms and Conditions

2. Figure 1
A, Inadequate extension of the gastric wall, causing difficulty observing the detailed structure between the folds. B, Full extension of the stomach, revealing gastric cancer in the posterior wall of the gastric body.
VideoGIE 2018 3, DOI: ( /j.vgie )
Copyright © 2018 American Society for Gastrointestinal Endoscopy Terms and Conditions

3. Figure 2
A, Endoscopic image of the cardia without hiatal hernia. B, Air infusion by endoscopy resulting in maintenance of air pressure and full extension of the stomach. C, Endoscopic image of the cardia with hiatal hernia. D, Deflation of stomach resulting from release of air through the hiatal hernia.
VideoGIE 2018 3, DOI: ( /j.vgie )
Copyright © 2018 American Society for Gastrointestinal Endoscopy Terms and Conditions

4. Figure 3
A, Illustration of cricoid pressure during rapid sequence induction, Sellick’s maneuver. B, Cricoid pressure during EGD.
VideoGIE 2018 3, DOI: ( /j.vgie )
Copyright © 2018 American Society for Gastrointestinal Endoscopy Terms and Conditions

5. Figure 4
During EGD, we bent the head back while supporting the back of the neck, and then pressed the cricoid cartilage gently backward.
VideoGIE 2018 3, DOI: ( /j.vgie )
Copyright © 2018 American Society for Gastrointestinal Endoscopy Terms and Conditions

6. Figure 5
A, Insufficient extension of the gastric wall because of frequent gastric deflation, despite continuous air infusion. B, After the application of cricoid pressure, no deflation occurred, and the gastric wall was fully extended with air infusion.
VideoGIE 2018 3, DOI: ( /j.vgie )
Copyright © 2018 American Society for Gastrointestinal Endoscopy Terms and Conditions

7. Figure 6
A, Endoscopic image of the pharynx before cricoid pressure application. B, After cricoid pressure application, the hypopharynx was closed but the airway remained open.
VideoGIE 2018 3, DOI: ( /j.vgie )
Copyright © 2018 American Society for Gastrointestinal Endoscopy Terms and Conditions