TY - CHAP M1 - Book, Section TI - Peptic Ulcer Disease A1 - Lew, Edward A2 - Greenberger, Norton J. A2 - Blumberg, Richard S. A2 - Burakoff, Robert Y1 - 2016 N1 - T2 - CURRENT Diagnosis & Treatment: Gastroenterology, Hepatology, & Endoscopy, 3e AB - ESSENTIALS OF DIAGNOSISPeptic ulcers are mucosal defects in the stomach or small intestine.Helicobacter pylori infection, nonsteroidal anti-inflammatory drugs (NSAIDs), and aspirin use are the most common causes.Patients may have epigastric pain or complications such as gastrointestinal (GI) bleeding, perforation, and obstruction.Diagnosis is often made by endoscopy or radiologic studies. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/04/18 UR - accessmedicine.mhmedical.com/content.aspx?aid=1119987061 ER -