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Pediatric pH probe study

Dallas

214-456-8000
Fax: 214-456-8005

Plano

469-497-2505
F: 469-497-2511

Park Cities

469-488-7000
Fax: 469-488-7001

Prosper

469-303-5000
Fax: 214-867-9511

Request an Appointment with codes: Gastroenterology (GI)

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What is a pediatric pH probe study?

A pH probe study measures the pH (amount of acidity) in the esophagus (food tube). The study helps determine whether or not acid is coming up from the stomach. 

What can I expect with a pediatric pH probe study?

A pH probe study measures the pH (amount of acidity) in the esophagus (food tube). The study helps determine whether or not acid is coming up from the stomach.

A pH probe study is usually done in patients:

  • if gastroesophageal reflux (GER) is suspected
  • to determine how effective treatment is while taking antacids
  • to help explain nighttime cough, hoarseness, or other complaints

What can I expect after a pediatric pH probe study?

After 18-24 hours, the tube is removed. The information stored in the recorder is analyzed. Your child's provider will contact you to discuss the results and next steps.

Pediatric pH probe study doctors and providers

Frequently Asked Questions

  • How is pediatric pH probe study performed?

    A thin plastic tube with a sensor at the tip is placed into one nostril. It is moved into the esophagus. Inserting the a tube may cause your child to:

    • gag
    • sneeze
    • make their eyes tear

    A chest x ray is taken to confirm the position of the tip of the probe. A wire is connected to a portable recorder. The recorder collects information from the probe. Your child can carry the recorder around for the rest of the study. The study lasts 18-24 hours.

  • What is allowed during pediatric pH probe study?

    Your child should continue with usual activities. A diary of symptoms such as

    • crying
    • coughing
    • chest pain
    • refusing to eat

    This will help determine whether acidity in the esophagus is responsible for your child’s complaints. Carbonated drinks, such as soda, should be avoided.