The video tutorial covers esophagitis, a condition involving inflammation of the esophagus. It discusses various types, including erosive, infective, radiation, medication-induced, and eosinophilic esophagitis. The tutorial explains the causes, such as gastroesophageal reflux disease, medications, and infections. It also covers clinical features like chest pain and heartburn, complications such as strictures and perforation, and diagnostic methods including endoscopy. Treatment options vary by type, involving medications like proton pump inhibitors and lifestyle modifications.

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