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Related Concept Videos

Endoscopic Procedures I: Esophagogastroduodenoscopy01:29

Endoscopic Procedures I: Esophagogastroduodenoscopy

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An Esophagogastroduodenoscopy (EGD) is a diagnostic procedure in which an endoscopist uses a flexible, lighted endoscope to visualize the upper gastrointestinal (GI) tract. The procedure includes visualizing the oropharynx, esophagus, stomach, and the first part of the small intestine, the duodenum.
During an EGD, the endoscope can be used to:
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Upper GI Series: Barium Swallow01:24

Upper GI Series: Barium Swallow

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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
Patients undergoing this procedure ingest a liquid containing barium sulfate with a chalky...
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Endoscopic Procedures V: ERCP01:26

Endoscopic Procedures V: ERCP

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Endoscopic Retrograde Cholangiopancreatography (ERCP) is a diagnostic procedure that combines endoscopy and fluoroscopy to diagnose and treat conditions related to the bile ducts, pancreatic ducts, and gallbladder. This procedure is beneficial for identifying and addressing blockages, gallstones, strictures, and tumors within the biliary or pancreatic systems. ERCP is both diagnostic and therapeutic, offering the ability to visualize and treat identified problems in one session.
Patient...
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Peptic Ulcer Disease III: Clinical Manifestations and Diagnostic Studies01:28

Peptic Ulcer Disease III: Clinical Manifestations and Diagnostic Studies

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Peptic ulcer disease (PUD) presents with diverse symptoms depending on the location and severity of the ulcer. Clinical manifestations of peptic ulcer include dull pain and a burning sensation in the mid-epigastric region.
Few clinical manifestations differentiate gastric ulcers from duodenal ulcers. Distinctions in the location, timing, and pain relief are crucial for healthcare providers in differentiating between gastric and duodenal ulcers during clinical assessments.
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Endoscopic Procedures III: Video Capsule Endoscopy01:28

Endoscopic Procedures III: Video Capsule Endoscopy

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Capsule endoscopy, or wireless or video capsule endoscopy, is a diagnostic procedure for examining the entire gastrointestinal tract. Patients swallow a capsule about the size of a vitamin tablet. The capsule is equipped with a transmitter, a battery, an LED light source, and a color video camera to capture images throughout the gastrointestinal tract. This procedure is particularly useful for diagnosing conditions such as Crohn's disease, ulcerative colitis, tumors, polyps, ulcers,...
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Ultrasound II: Endoscopic Ultrasound and FibroScan01:25

Ultrasound II: Endoscopic Ultrasound and FibroScan

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Endoscopic Ultrasound (EUS) and FibroScan are valuable diagnostic tools in gastroenterology and hepatology, each with specific applications and techniques.
Endoscopic Ultrasound (EUS):
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Related Experiment Video

Updated: Dec 28, 2025

Author Spotlight: Advancing Biopsy Techniques with Transesophageal Ultrasound
04:35

Author Spotlight: Advancing Biopsy Techniques with Transesophageal Ultrasound

Published on: November 21, 2023

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Recent advances in diagnostic upper endoscopy.

Jun-Liang Teh1, Asim Shabbir1, Soon Yuen1

  • 1Department of Surgery, National University Hospital System, Singapore 119228, Singapore.

World Journal of Gastroenterology
|February 18, 2020
PubMed
Summary

Recent advances in diagnostic esophago-gastro-duodenoscopy (EGD) improve lesion detection. Optimizing preparation, sedation, documentation, and using advanced imaging techniques enhance diagnostic yield for gastrointestinal conditions.

Keywords:
Gastric cancerGastroscopyQuality indicatorsUpper endoscopy

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Area of Science:

  • Gastroenterology
  • Endoscopic Diagnostics

Background:

  • Esophago-gastro-duodenoscopy (EGD) is crucial for diagnosing esophago-gastric lesions.
  • Standardized techniques for diagnostic EGD are lacking.

Purpose of the Study:

  • To review recent advancements in diagnostic EGDs.
  • To enhance the diagnostic yield of EGD procedures.

Main Methods:

  • Systematic literature search of PubMed (2001-2019) and endoscopy guidelines.
  • Keywords focused on quality indicators and technological innovations in EGD.
  • Analysis of factors influencing diagnostic yield and quality: preparation, sedation, examination protocols, time, biopsy, and imaging.

Main Results:

  • Improved gastric visibility with simethicone and pronase pre-procedure.
  • Propofol sedation enhances patient satisfaction and superficial lesion detection.
  • Mandatory image documentation and adequate examination time increase diagnostic yield.
  • Image-enhanced and magnifying endoscopy improve detection of cancers and neoplasms.
  • Magnifying endoscopy aids in early gastric cancer diagnosis.

Conclusions:

  • Significant progress in EGD quality, yield, and reporting over the past decade.
  • Emerging technologies like Raman spectroscopy, endocytoscopy, and AI show future potential for endoscopy.