Figure 3. Hierarchical interpretation scheme according to the Chicago Classification version 3.0.
The colored boxes correspond to 10 esophageal motility patterns per the Chicago Classification v3.0. The red boxes denote the major motility disorders, with those outlined in yellow representing disorders with an esophagogastric junction outflow obstruction. The blue boxes correspond to the minor motility disorders. Integrated relaxation pressure (IRP); Esophagogastric junction (EGJ).