RT Book, Section A1 Lew, Edward A2 Greenberger, Norton J. A2 Blumberg, Richard S. A2 Burakoff, Robert SR Print(0) ID 55957044 T1 Chapter 15. Peptic Ulcer Disease T2 CURRENT Diagnosis & Treatment: Gastroenterology, Hepatology, & Endoscopy, 2e YR 2012 FD 2012 PB The McGraw-Hill Companies PP New York, NY SN 978-0-07-176848-1 LK accessmedicine.mhmedical.com/content.aspx?aid=55957044 RD 2024/04/24 AB Peptic ulcers are mucosal defects in the stomach or small intestine.Helicobacterpylori infection, nonsteroidal anti-inflammatory drugs (NSAIDs), and aspirin use are the most common causes.Patients may have epigastric pain or complications such as gastrointestinal bleeding, perforation, and obstruction.Diagnosis relies on endoscopy or radiologic studies.