In hiatal hernia, the stomach and lower part of the esophagus slide up through the esophageal hiatus, which is an orifice in the diaphragm, and this decreases the pressure of the lower esophageal sphincter.

在食管裂孔疝中，胃和食管下部通过食管裂孔（这是膈膜中的一个孔）向上滑动（进入胸腔），这降低了食管下括约肌的压力。