TY - CHAP M1 - Book, Section TI - Chapter 393. Disorders of Esophageal Motility A1 - Tipnis, Neelesh A. A2 - Rudolph, Colin D. A2 - Rudolph, Abraham M. A2 - Lister, George E. A2 - First, Lewis R. A2 - Gershon, Anne A. PY - 2011 T2 - Rudolph's Pediatrics, 22e AB - Esophageal motility disorders are classified as primary when they are one of a small number of isolated disorders of motility that include achalasia, diffuse esophageal spasm, nutcracker esophagus, and nonspecific esophageal motility disorders of the esophagus or as secondary when associated with known disease processes (Table 393-1). A basic understanding of normal esophageal motility allows appreciation of the diagnostic criteria for various motility disorders. SN - PB - The McGraw-Hill Companies CY - New York, NY Y2 - 2024/04/19 UR - accesspediatrics.mhmedical.com/content.aspx?aid=7036167 ER -