RT Book, Section A1 Tipnis, Neelesh A. A1 Ciecierega, Thomas M. A2 Kline, Mark W. SR Print(0) ID 1182907540 T1 Disorders of Esophageal Motility T2 Rudolph's Pediatrics, 23e YR 2018 FD 2018 PB McGraw-Hill Education PP New York, NY SN 9781259588594 LK accesspediatrics.mhmedical.com/content.aspx?aid=1182907540 RD 2024/03/28 AB Esophageal motility disorders are classified as primary when they are 1 of a small number of isolated disorders of motility that include achalasia, esophagogastric junction (EGJ) outflow obstruction, major disorders of peristalsis, or minor disorders of peristalsis, or as secondary when associated with known disease processes (Table 388-1). A basic understanding of normal esophageal motility allows appreciation of the diagnostic criteria for various motility disorders. Of the primary esophageal motor disorders, achalasia of the lower esophageal sphincter is the most common and well recognized.