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Esophageal Motor Disorders

Esophageal Motor Disorders is a topic covered in the Washington Manual of Medical Therapeutics.

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General Principles


  • Achalasia is the most easily recognized motor disorder of the esophagus, characterized by failure of the LES to relax completely with swallowing and aperistalsis of the esophageal body (Am J Gastroenterol 2013;108:1238  [PMID:23877351]).
  • Diffuse esophageal spasm is a spastic disorder characterized by premature, nonperistaltic contractions in the esophageal body (Gastroenterology 2011;141:469  [PMID:21679709]).
  • Esophageal hypomotility disorders are characterized by fragmented, ineffective, or absent esophageal peristalsis, sometimes with LES hypomotility, leading to reflux symptoms.

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Williams, Dominique, et al., editors. "Esophageal Motor Disorders." Washington Manual of Medical Therapeutics, 35th ed., Wolters Kluwer Health, 2016. Washington Manual, www.unboundmedicine.com/washingtonmanual/view/Washington-Manual-of-Medical-Therapeutics/602510/all/Esophageal_Motor_Disorders.
Esophageal Motor Disorders. In: Williams D, Ramgopal R, Gdowski M, et al, eds. Washington Manual of Medical Therapeutics. 35th ed. Wolters Kluwer Health; 2016. https://www.unboundmedicine.com/washingtonmanual/view/Washington-Manual-of-Medical-Therapeutics/602510/all/Esophageal_Motor_Disorders. Accessed June 17, 2019.
Esophageal Motor Disorders. (2016). In Williams, D., Ramgopal, R., Gdowski, M., Dretler, A., & Bhat, P. (Eds.), Washington Manual of Medical Therapeutics. Available from https://www.unboundmedicine.com/washingtonmanual/view/Washington-Manual-of-Medical-Therapeutics/602510/all/Esophageal_Motor_Disorders
Esophageal Motor Disorders [Internet]. In: Williams D, Ramgopal R, Gdowski M, Dretler A, Bhat P, editors. Washington Manual of Medical Therapeutics. Wolters Kluwer Health; 2016. [cited 2019 June 17]. Available from: https://www.unboundmedicine.com/washingtonmanual/view/Washington-Manual-of-Medical-Therapeutics/602510/all/Esophageal_Motor_Disorders.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC T1 - Esophageal Motor Disorders ID - 602510 ED - Williams,Dominique, ED - Ramgopal,Rajeev, ED - Gdowski,Mark, ED - Dretler,Alexandra, ED - Bhat,Pavat, BT - Washington Manual of Medical Therapeutics UR - https://www.unboundmedicine.com/washingtonmanual/view/Washington-Manual-of-Medical-Therapeutics/602510/all/Esophageal_Motor_Disorders PB - Wolters Kluwer Health ET - 35 DB - Washington Manual DP - Unbound Medicine ER -