Heartburn (sensation of heat, burning in the chest or in the epigastric region) occurs most often as a result of throwing acidic gastric contents into the esophagus, where the reaction of the medium is slightly alkaline.
Heartburn is one of the most common manifestations of diseases of the digestive system: the esophagus, stomach, duodenum. In 60-80% of cases, it accompanies gastric ulcer and duodenal ulcer, chronic gastritis with increased secretory function. Continue reading
Initially, a little anatomy. The diaphragm (muscle-tendon septum) separates the chest cavity from the abdominal. Through the esophageal opening of the diaphragm, the esophagus descends into the abdominal cavity and passes into the stomach of the part of the cardiac.
In the place of transition of the esophagus into the stomach, the muscle fibers form a sphincter (bagasse). Normally, outside the swallowing, this sphincter is closed, which prevents the contents of the stomach and gastric juice from entering the esophagus. Continue reading