Upper Gastrointestinal Endoscopy
An upper gastrointestinal (UGI) endoscopy is
a procedure that allows your doctor to look at the inside lining of your
esophagus , your stomach, and the first part of your
small intestine (duodenum ). A thin, flexible
viewing tool called an endoscope (scope) is used. The tip of the scope is inserted
through your mouth and then gently moved down your throat into the esophagus,
stomach, and duodenum (upper gastrointestinal tract).
procedure is sometimes called esophagogastroduodenoscopy (EGD).
Using the scope, your doctor can look for
ulcers, inflammation, tumors, infection, or bleeding.
He or she can collect tissue samples (biopsy), remove
polyps, and treat bleeding through the scope. Your doctor may find problems that do not show up on
This test can sometimes prevent the need for exploratory
Why It Is Done
An upper gastrointestinal (UGI) endoscopy may be done to:
- Find problems in the upper gastrointestinal
(GI) tract. These problems can include:
- Find the cause of vomiting blood.
- Find the cause of symptoms, such as upper belly
pain or bloating, trouble swallowing (dysphagia), vomiting, or
unexplained weight loss.
- Find the cause of an
- Check the healing of stomach ulcers.
at the inside of the stomach and upper small intestine (duodenum) after
- Look for a blockage in the opening between the stomach and
Endoscopy may also be done to:
- Check for an injury to the esophagus in an emergency.
(For example, this may be done if the person has swallowed poison.)
- Collect tissue
samples (biopsy) to be looked at in the lab.
- Remove growths (polyps)
from inside the esophagus, stomach, or small intestine.
- Treat upper GI bleeding that may be causing anemia.
- Remove foreign objects that have been
How To Prepare
Before having an upper
gastrointestinal endoscopy, tell your doctor if you:
- Are allergic to any medicines, including
- Are taking any medicines.
- Have bleeding
problems or take blood-thinning medicine, such as warfarin (Coumadin).
- Have heart problems.
- Are or might be
diabetes and take insulin.
- Have had
surgery or radiation treatments to your esophagus, your stomach, or the upper part
of your small intestine.