Upper gastrointestinal (UGI) endoscopy procedures let the doctor see the interior lining of your stomach, esophagus, and the beginning section of your small intestine, called the duodenum, through a flexible, slim viewing instrument known as an endoscope. The endoscope’s tip is inserted through the mouth and then gently moved down the throat into the upper gastrointestinal tract (esophagus, stomach, and duodenum).

Barrett’s Esophagus

The condition known as Barrett’s esophagus occurs when the tissue lining the esophagus is replaced by tissue that is similar to the tissue lining the intestine.
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Celiac Disease

Celiac disease is a digestive disease that causes damage to the small intestine. It interferes with nutrient absorption from certain foods. People with celiac disease cannot tolerate gluten, barley, and rye.
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Gallstones

Gallstones are small substances resembling a pebble that develop in the gallbladder. They are formed when liquid stored in the gallbladder hardens into small pieces.
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Gas

Gas is often alleviated by burping or passing it through the rectum. Many people who think they have too much gas actually have normal amounts. Most people produce about 1 to 4 pints per day and pass gas about 14 times each day.
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Gastritis

Gastritis is a condition which occurs when the stomach lining is inflamed. In this state, it produces less acid, enzymes, and mucus.
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Gastroparesis

Gastroparesis is a disorder where the stomach contents take very long to empty. Gastroparesis happens when the vagus nerve gets damaged, causing the muscles of the stomach and intestines to not function normally.
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GERD

Gastroesophageal reflux disease (GERD) is a more serious version of gastroesophageal reflux (GER). GER happens when the lower esophageal sphincter (LES) opens spontaneously, for different lengths of time, or does not close correctly, causing stomach contents to rise up into the esophagus.
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Heartburn & Reflux

Heartburn is a burning sensation felt in the chest or throat, and can be painful. It occurs when stomach acid backs up into the esophagus.
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H. Pylori

Pylori is a type of bacteria.  It is capable of causing infection. Symptoms generally do not happen until adulthood, though most people do not have symptoms at all. H. pylori is the cause of over half the peptic ulcers worldwide.

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Hiatus Hernia

A hiatal hernia happens when part of the stomach pushes up and through the diaphragm. In most occurrences, a hiatal hernia does not cause problems.  However, a large hiatal hernia can cause food and acid to back up into the esophagus, which leads to heartburn.
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Lactose Intolerance

Lactose intolerance is when the body cannot digest lactose, which is a sugar found in milk and other milk products. Lactose intolerance occurs when there is a deficiency of the enzyme lactase.  This enzyme is produced by the cells that line the small intestine.
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Peptic Ulcer Disease

A peptic ulcer is a sore that occurs on the stomach lining or duodenum. When located in the stomach, the peptic ulcer is called a gastric ulcer. In the duodenum, it is called a duodenal ulcer.
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