Understanding Lower Esophageal Sphincter Incompetence (Lesi)
Lower esophageal sphincter incompetence (LESI) is a condition in which the muscular valve at the end of the esophagus fails to close tightly, allowing stomach contents to reflux back into the esophagus. This can cause heartburn, regurgitation, and other symptoms. LESI can be caused by a number of factors, including obesity, pregnancy, certain medications, and…