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Related Concept Videos

Esophageal Varices-I: Introduction01:24

Esophageal Varices-I: Introduction

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Esophageal varices are dilated, tortuous veins which are found mainly in the submucosa of the lower esophagus but which may also appear higher up or extend into the stomach. They develop due to increased pressure in the portal venous system, often as a result of liver cirrhosis. This condition scars and damages the liver, impeding normal blood flow through the portal vein. To compensate, blood seeks alternative pathways, forming fragile new vessels (varices) in the esophagus and stomach. These...
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Esophageal Varices-II: Clinical Features and Management01:28

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Esophageal varices often manifest as gastrointestinal bleeding episodes, presenting symptoms like hematemesis (vomiting of blood), hematochezia (passing fresh blood via the rectum), and melena (black, tarry stools). Other signs can include weight loss, anorexia, abdominal discomfort, jaundice, pruritus, altered mental status, and muscle cramps.
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Gastritis-II: Pathophysiology01:17

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Gastritis is marked by disruption of the mucosal barrier that usually protects the stomach tissue from digestive juices and manifests in acute and chronic forms.
In acute gastritis, the gastric mucosa becomes swollen and red and undergoes superficial erosion. Superficial ulceration may lead to bleeding.
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Other Disorders of Digestive System01:30

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The gastrointestinal tract is susceptible to various disorders. If the lower esophageal sphincter is damaged, stomach acid can flow back into the esophagus, causing irritation and inflammation of the lining. This condition is called gastroesophageal reflux disease (known as heartburn) and may cause chest pain and difficulty swallowing. In the stomach, prolonged use of nonsteroidal anti-inflammatory drugs like aspirin, chronic alcohol consumption, bacterial infections such as Helicobacter...
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Peptic Ulcer Disease I: Introduction01:30

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Peptic Ulcer Disease (PUD) is characterized by mucosal excavation in the esophagus, stomach, pylorus, or duodenum. It can manifest as acute or chronic based on the extent and duration of mucosal involvement.
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Upper GI Series: Barium Swallow01:24

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The Barium Swallow Study, or a Barium Esophagogram, is a diagnostic imaging method used to visualize the upper gastrointestinal (GI) tract, including the esophagus, stomach, and small intestine. It employs barium sulfate, a radiopaque contrast material, to provide clear images of the upper digestive system, helping to identify abnormalities, diseases, or structural issues.
Purpose and Procedure
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Related Experiment Video

Updated: Sep 25, 2025

Endoscopic Injection Sclerotherapy Assisted by Cyanoacrylate and Clips for Gastroesophageal Varices
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A perplexing cause of upper GI Bleed.

Shiran Shetty1, Balaji Musunuri1, Sairam Raghavan1

  • 1Department of Gastroenterology and Hepatology, Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Karnataka, India.

Clinics and Research in Hepatology and Gastroenterology
|April 26, 2022
PubMed
Summary
This summary is machine-generated.

Valleculae can cause gastrointestinal (GI) bleeding. Increased diligence during endoscopy is crucial for identifying these often-missed lesions, especially in obscure GI bleeding cases.

Keywords:
Vallecular bleedVallecular haemorrhageVascular malformation

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Area of Science:

  • Gastroenterology
  • Endoscopy
  • Digestive Diseases

Background:

  • The valleculae, a region in the oropharynx, are an underrecognized source of gastrointestinal (GI) bleeding.
  • Standard endoscopic procedures may overlook lesions in this area.

Purpose of the Study:

  • To highlight the valleculae as a potential source of obscure GI bleeding.
  • To emphasize the need for thorough endoscopic examination of the valleculae.

Main Methods:

  • Review of relevant literature on GI bleeding sources.
  • Analysis of case studies involving obscure GI bleeding attributed to vallecular lesions.

Main Results:

  • Vallecular lesions can present as a source of significant GI hemorrhage.
  • These lesions are frequently missed during routine upper endoscopies.

Conclusions:

  • Enhanced endoscopic awareness and examination of the valleculae are essential for diagnosing obscure GI bleeding.
  • Failure to identify vallecular sources can lead to prolonged diagnostic delays and unnecessary interventions.