TY - CHAP M1 - Book, Section TI - Peptic Ulcer Disease and Gastritis A1 - Gratton, Matthew C. A1 - Bogle, Angela A2 - Tintinalli, Judith E. A2 - Stapczynski, J. Stephan A2 - Ma, O. John A2 - Yealy, Donald M. A2 - Meckler, Garth D. A2 - Cline, David M. PY - 2016 T2 - Tintinalli’s Emergency Medicine: A Comprehensive Study Guide, 8e AB - Peptic ulcer disease is a chronic illness manifested by recurrent ulcerations in the stomach and proximal duodenum. Acid and pepsin are thought to be crucial to ulcer development, but the great majority of peptic ulcers are directly related to infection with Helicobacter pylori or nonsteroidal anti-inflammatory drug (NSAID) use.1,2Gastritis is acute or chronic inflammation of the gastric mucosa and has various etiologies. Dyspepsia is continuous or recurrent upper abdominal pain or discomfort with or without associated symptoms (e.g., nausea, bloating).3 Dyspepsia may be caused by a number of diseases or may be functional. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/04/18 UR - accessemergencymedicine.mhmedical.com/content.aspx?aid=1121505594 ER -