Figure 3.
Syndromes of GERD (Adapted from the Montreal Classification) classifies GERD as an esophageal syndrome or extra-esophageal syndrome. Esophageal syndromes may be those associated with esophageal injury or based on symptom presentation. (From Vakil N, van Zanten SV, Kahrilas P, et al. The Montreal definition and classification of gastroesophageal reflux disease: a global evidence-based consensus. Am J Gastroenterol 2006;101:1900–20; with permission.)