EXTRA ESOPHAGEAL REFLUX (EER) & SYMPTOMS OF THE EAR, NOSE, THROAT
Figure 1 How extra-esophageal reflux arises. Arrows show path of reflux out of the stomach. UES=upper esophageal sphincter and LES = lower esophageal sphincter. Introduction Intermittent reflux of stomach contents into the esophagus is a normal physiological process. It occurs because of transient relaxation of the sphincter located where the esophagus connects to the stomach.…
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