Tests for Examining the Upper Digestive Tract

The upper digestive tract, also known as the upper gastrointestinal (GI) tract, is made up of several organs, including the esophagus, stomach, and small intestine. Doctors may perform various tests to examine the upper digestive tract and identify any abnormalities or conditions affecting these organs.

Here are some tests for examining the upper digestive tract:

Upper Endoscopy (EGD): This test involves inserting a thin, flexible tube with a camera and light on the end (endoscope) into the mouth and down the throat to the esophagus, stomach, and small intestine. The doctor can use this test to view the lining of the upper digestive tract, take biopsies, and perform treatments such as removing polyps or dilating narrow areas.
Upper GI Series: This test involves swallowing a contrast material, followed by X-rays of the upper digestive tract. The contrast material helps to highlight the lining of the organs, allowing doctors to identify any abnormalities.
Esophageal pH Monitoring: This test involves inserting a thin tube through the nose and into the esophagus to measure the acidity levels. It is used to diagnose conditions such as gastroesophageal reflux disease (GERD).
Esophageal Manometry: This test measures the strength and coordination of the muscles in the esophagus. Doctors may use this test to diagnose conditions such as achalasia, a condition that affects the ability of the esophagus to move food into the stomach.
Gastric Emptying Study: This test measures the time it takes for food to move through the stomach and into the small intestine. It is used to diagnose conditions such as gastroparesis, a condition where the stomach is slow to empty its contents.
Capsule Endoscopy: This test involves swallowing a small, pill-sized camera that takes images of the digestive tract as it moves through the body. It is used to diagnose conditions affecting the small intestine, such as Crohn’s disease or tumors.

These tests can help doctors diagnose and treat a variety of conditions affecting the upper digestive tract. If you are experiencing symptoms such as abdominal pain, nausea, vomiting, or difficulty swallowing, talk to your doctor about which tests may be appropriate for you.