A pH
Impedance monitoring is an ambulatory 24-hour test that
measures reflux of gastric (stomach) contents into the
esophagus. This diagnostic test determines if you have
Gastroesophageal Reflux Disease (GERD). Although it is normal
to have some reflux, excessive reflux may damage the lining of
the esophagus and cause symptoms of GERD, which may include
chest pain, heartburn, difficulty or painful swallowing, cough
hoarseness and asthma. A very small, flexible catheter (a
tube about the size of spaghetti noodle) is inserted through
your nostril and placed strategically in the esophagus. The
catheter will be secured and attached to a recording device
that measures reflux for 24 hours. The catheter will not
interfere with eating, drinking or breathing. An esophageal
manometry study is performed prior to inserting the pH
impedance catheter to determine accurate placement of the pH
impedance sensors.
The Austin Diagnostic Clinic, A
Multi-Specialty Medical Clinic
12221 MoPac Expressway North |
Austin, TX 78758 | 512.901.1111
Serving the communities of Austin, Round Rock, Pflugerville, San
Marcos and
Central Texas since 1952
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