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.