Main content Esophagus Tests

    Esophagus Tests



    Results

    Esophagus tests measure muscle pressure and movement, coordination, and strength of the tube that connects the throat to the stomach (Reference esophagus Opens New Window). They test how well the ring of muscles (sphincters) at the top and bottom of the esophagus work. Esophagus tests also measure the movement and volume of gas, liquid, and solid through the esophagus and its pH (acid or nonacid). Results are usually available within a few days.

    pH monitoring
    Normal:
    • The pH of the esophagus is not acidic.
    • If acid is placed in the stomach, the pH of the esophagus does not go down.
    Abnormal:
    • The pH of the lower esophagus is frequently acidic.
    • If acid is placed in the stomach, the pH of the lower esophagus goes down.

     

    Esophageal manometry
    Normal:
    Abnormal:
    • Muscle spasms are present in the esophagus.
    • Contractions along the esophagus are weak or uncoordinated.
    • The LES pressure is low.
    • The LES pressure is high and fails to relax after swallowing.

     

    Many conditions can change the results of esophagus tests. Your doctor will discuss any significant abnormal results with you in relation to your symptoms and past health.




    By: Reference Healthwise Staff Last Revised: Reference April 25, 2011
    Medical Review: Reference Kathleen Romito, MD - Family Medicine
    Reference Jerome B. Simon, MD, FRCPC, FACP - Gastroenterology


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