ASGE Recognized Industry Associate (ARIA) Training Program for Regeneron | June 2022-GI Tract in Disease

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The document provides an overview of the gastrointestinal tract, focusing on the esophagus and stomach. It discusses the anatomy, structure, and function of the esophagus, as well as various disorders that can occur in this organ. These include hiatal hernia, esophageal rings, webs, and diverticuli, gastroesophageal reflux disease (GERD), eosinophilic esophagitis, and infectious esophagitis.<br /><br />Symptoms associated with esophageal disorders are also described, such as heartburn, regurgitation, dysphagia, odynophagia, and globus. The causes of esophageal symptoms can be categorized into structural abnormalities, propulsive disorders, and sensory abnormalities. Structural abnormalities include rings, strictures, eosinophilic esophagitis, infectious esophagitis, pill or caustic esophagitis, dermatologic disorders, cricopharyngeal bar, extrinsic compression, and primary or secondary tumors.<br /><br />The document also covers hiatal hernia, which is the herniation of the stomach into the mediastinum through the esophageal hiatus of the diaphragm. It explains that hiatal hernia is typically classified into sliding hiatal hernia and paraesophageal hernia.<br /><br />GERD, or gastroesophageal reflux disease, is discussed as a clinical disorder characterized by the reflux of stomach contents into the esophagus or mouth. The document explores the causes, symptoms, and treatment options for GERD, including lifestyle modifications, proton pump inhibitors, and surgery.<br /><br />Other topics briefly mentioned in the document include Barrett's esophagus, which is a precancerous condition, esophageal motility disorders such as achalasia and diffuse esophageal spasm, and infectious esophagitis caused by Candida, HSV, or CMV. Pill esophagitis is also mentioned, which occurs when a swallowed pill lodges in the esophagus.<br /><br />Overall, the document provides a comprehensive overview of the esophagus and stomach, discussing their anatomy, structure, and various disorders that can affect them.

Asset Subtitle

Jennifer R. Lightdale, MD, MPH, FASGE

Keywords

gastrointestinal tract

esophagus

stomach

hiatal hernia

GERD

eosinophilic esophagitis

infectious esophagitis

symptoms

structural abnormalities

tumors