Gastroesophageal reflux disease (GERD) nursing NCLEX lecture on the symptoms, GERD diet, nursing interventions, and treatment. GERD is a chronic condition where stomach contents is flowing back up into the esophagus. What causes gastroesophageal reflux disease? GERD is mainly due to a weak or damaged lower esophageal sphincter. The LES is a collection of circular muscles at the end of the esophagus that closes and prevent toxic acids and GI contents from flowing back into the esophagus once it enters the
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