are a number of procedures that
can help the doctor assess and
diagnose swallowing and heartburn
The most frequently
used procedures include:
used to see into the esophagus
and stomach. A flexible fiber
optic tube with a light and camera
on the end is swallowed. The camera
provides direct visualization
of the inside of the esophagus.
Endoscopy that explores the esophagus
and stomach is sometimes called
upper GI endoscopy.
uses video x-rays of the esophagus,
taken after barium is swallowed,
to study the movement of the esophageal
uses a thin tube that measures
the pressure generated by the
contracting esophageal muscle.
The tube is passed through the
nose, down the back of the throat
and into the esophagus.