What is the pylorus? The pylorus is the sphincter located at the end of the stomach, at its transition with the duodenum. With the stomach’s contraction movements, the pylorus opens…
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During ERCP, after catheterization of the biliary tract and infusion of contrast, an X-ray is performed, which can show stones that may be obstructing the bile flow and causing symptoms…
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Elastic band ligation is considered the best procedure for the treatment of esophageal varices. These arise in patients who have increased pressure in the portal vein (portal hypertension), which has…
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What are gastric varices? Some patients with portal hypertension may develop dilated veins (varices) in the stomach. These are usually located near the transition of the stomach to the esophagus…
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Diagnosis Treatment and Process Stenoplasty Complications The esophagus is a long, narrow tube that carries food and liquids from the mouth to the stomach. Esophageal dilation is the technique used…
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What is a colonoscopy? When is it used? What is the preparation for the exam? What will happen during the exam? What are the risks of the procedure? What should…
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What is Upper Digestive Endoscopy When is it necessary? What precautions should I take to undergo the exam? What is the preparation for the Upper Digestive Endoscopy exam? What is…
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