Endoscopy
Endoscopy
Upper gastrointestinal (GI) endoscopy, also known as esophagogastroduodenoscopy (EGD), is a minimally invasive procedure used to examine the lining of the upper digestive tract, including the esophagus, stomach, and duodenum (the first part of the small intestine). A thin, flexible tube called an endoscope, equipped with a light and camera, is inserted through the mouth and guided down the throat, allowing doctors to visualize and assess abnormalities in real time.
Upper GI endoscopy is commonly performed to investigate symptoms such as persistent heartburn, difficulty swallowing, unexplained weight loss, nausea, vomiting, upper abdominal pain, or gastrointestinal bleeding. It can help diagnose conditions like gastroesophageal reflux disease (GERD), ulcers, celiac disease, gastritis, esophageal strictures, or cancer.
The procedure is typically done on an outpatient basis and requires little preparation apart from fasting for several hours before the test. Sedation or local anesthesia is used to ensure patient comfort. In addition to diagnostics, upper GI endoscopy can be therapeutic. Doctors can perform biopsies, remove foreign objects, dilate narrowed areas, stop bleeding, or remove abnormal growths such as polyps.
The procedure is considered safe, with a low risk of complications such as bleeding, infection, or perforation. Most patients recover quickly and can resume normal activities within a day.
Advances in endoscopic technology, such as high-definition imaging and narrow-band imaging, have improved the accuracy and effectiveness of the procedure. Upper GI endoscopy plays a vital role in modern medicine, providing a direct and detailed view of the upper digestive tract to aid in early diagnosis, treatment, and disease prevention. Regular endoscopic evaluations are recommended for individuals with certain risk factors, ensuring better long-term gastrointestinal health.
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