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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

Definition

  • Achalasia is the most significant motor disorder of the esophagus, characterized by failure of the LES to relax completely with swallowing and aperistalsis of the esophageal body.1
  • Esophagogastric junction outflow obstruction is a loosely defined spectrum of motor disorder that can present with findings similar to incomplete achalasia.2
  • Esophageal hypermotility disorders consist of diffuse esophageal spasm, characterized by premature, nonperistaltic contractions in the esophageal body, and hypercontractile disorder (Jackhammer esophagus) characterized by esophageal body contractions of exaggerated contraction vigor.2,3
  • Esophageal hypomotility disorders are characterized by fragmented, ineffective, or absent esophageal peristalsis, sometimes with LES hypomotility, and are associated with reflux symptoms and increased reflux burden.

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Citation

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/602510/4/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/602510/4/Esophageal_Motor_Disorders. Accessed August 20, 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/602510/4/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 August 20]. Available from: https://www.unboundmedicine.com/washingtonmanual/view/Washington-Manual-of-Medical-Therapeutics/602510/4/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/602510/4/Esophageal_Motor_Disorders PB - Wolters Kluwer Health ET - 35 DB - Washington Manual DP - Unbound Medicine ER -