复旦大学附属中山医院 Zhongshan Hospital Fudan University Definition GERD is a condition which develops when the reflux of stomach contents causes troublesome symptoms andlor complications. The Montreal Definition and Classification of Gastroesophageal Reflux Disease Am j gastroenterol 2006: 101: 1900-1920 www.zshospital.comwww.zshospital.com Definition • GERD is a condition which develops when the reflux of stomach contents causes troublesome symptoms and/or complications. The Montreal Definition and Classification of Gastroesophageal Reflux Disease Am J Gastroenterol 2006;101:1900–1920