Figure 8 - Type I hiatal hernia. In this example, the herniated gastric cardia is evident at rest, after completion of esophageal emptying.
From the following article
Peter J. Kahrilas and John E. Pandolfino
GI Motility online (2006)
doi:10.1038/gimo48
Note the rugal folds traversing the diaphragmatic hiatus. (Source: Kahrilas and Pandolfino,75 with permission.)
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