TY - CHAP M1 - Book, Section TI - Peptic Ulcer Disease and Gastritis A1 - Bowen-Spinelli, Teresa A2 - Cydulka, Rita K. A2 - Fitch, Michael T. A2 - Joing, Scott A. A2 - Wang, Vincent J. A2 - Cline, David M. A2 - Ma, O. John PY - 2017 T2 - Tintinalli's Emergency Medicine Manual, 8e AB - Peptic ulcer disease (PUD) is a chronic illness manifested by recurrent ulcerations in the stomach and duodenum. Acid and pepsin are crucial for ulcer development, but the great majority of ulcers are directly related to infection with Helicobacter pylori or nonsteroidal anti-inflammatory drugs (NSAIDs) use. Gastritis is an acute or chronic gastric mucosal inflammation and has various causes. Dyspepsia is upper abdominal discomfort with or without other symptoms that can have various causes or be functional. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/03/29 UR - accessemergencymedicine.mhmedical.com/content.aspx?aid=1143140585 ER -