This image illustrates a transverse view of the trachea and esophagus during an esophageal intubation. Note in this image that the esophagus is visualized.

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Copyright © 2004 The McGraw-Hill Companies, Inc. All rights reserved.
Copyright © 2004 The McGraw-Hill Companies, Inc. All rights reserved.
Copyright © 2004 The McGraw-Hill Companies, Inc. All rights reserved.
Copyright © 2004 The McGraw-Hill Companies, Inc. All rights reserved.
Copyright © 2004 The McGraw-Hill Companies, Inc. All rights reserved.
Copyright © 2004 The McGraw-Hill Companies, Inc. All rights reserved.
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This image illustrates a transverse view of the trachea and esophagus during an esophageal intubation. Note in this image that the esophagus is visualized posterior and lateral to the trachea. Two parallel echogenic lines are seen in the proximal esophagus representing the inner and outer endotracheal tube walls as it passes through the lumen of the esophagus. Source: Chapter 22. Ultrasound for Endotracheal Intubation, Handbook of Critical Care and Emergency Ultrasound Citation: Carmody KA, Moore CL, Feller-Kopman D. Handbook of Critical Care and Emergency Ultrasound; 2011 Available at: https://accessanesthesiology.mhmedical.com/DownloadImage.aspx?image=/data/Books/carm1/carm1_c022f003.png&sec=41068620&BookID=517&ChapterSecID=41066808&imagename= Accessed: January 12, 2018 Copyright © 2018 McGraw-Hill Education. All rights reserved