Gastroesophageal reflux disease (GERD)


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Gastroesophageal reflux disease (GERD)


Illustration of gastroesophageal reflux disease (GERD)

In GERD, the valve at the top of the stomach (the lower esophageal sphincter) does not close tightly enough. This allows the contents of the stomach to move up into the esophagus.

Credits


Primary Medical Reviewer Kathleen Romito, MD

- Family Medicine
Specialist Medical Reviewer Peter J. Kahrilas, MD

- Gastroenterology
Last Updated April 18, 2006

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