TY - CHAP M1 - Book, Section TI - Chapter 41. Peptic Ulcer Disease and Gastritis A1 - Gratton, Matthew C. A2 - Cline, David M. A2 - Ma, O. John A2 - Cydulka, Rita K. A2 - Meckler, Garth D. A2 - Handel, Daniel A. A2 - Thomas, Stephen H. PY - 2012 T2 - Tintinalli's Emergency Medicine Manual, 7e 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 drug (NSAID) use. Gastritis is 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 - The McGraw-Hill Companies CY - New York, NY Y2 - 2024/04/20 UR - accessemergencymedicine.mhmedical.com/content.aspx?aid=56272931 ER -