Medically reviewed by Jay N. Yepuri, MD Acid reflux occurs when acid flows up from the stomach into the esophagus (food tube) ...

the formation of ulcers. Most cases of erosive esophagitis occur from repeated exposure to stomach acids in people with GERD. The lower esophageal sphincter is a muscular valve that normally ...

In the present study, also signs were improved including lower esophageal sphincter (LES) pressure (from 10 ± 1.58 and, 10.3 ± 1.68 mmHg in the pretreated patients to 16.5 ± 0.6, and 14.1 ± 0. ...

Heartburn happens when a small valve called the lower esophageal sphincter opens and allows stomach acid to flow up into the esophagus, causing that burning feeling. Many of us pop an after dinner ...

showing a dilated esophageal body bird beak-like narrowing of lower esophageal sphincter (see Video 1). b; Vigorous achalasia showing diffuse spasm-like contractions in the esophageal body with ...

and has produced increased peristaltic and lower esophageal sphincter pressures in normal volunteers. Agrawal et al. evaluated the effect of bethanechol on smooth-muscle contraction in patients ...