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Related Concept Videos

Upper GI Series: Barium Swallow01:24

Upper GI Series: Barium Swallow

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...
Gastroesophageal Reflux Disease01:25

Gastroesophageal Reflux Disease

Gastroesophageal reflux disease (GERD) is the backward flow of stomach contents (acid, pepsin, or bile) into the esophagus, causing mucosal inflammation known as esophagitis. It results from failure of antireflux mechanisms, mainly the lower esophageal sphincter (LES), influenced by mechanical and physiological factors.Etiology and Risk FactorsGERD develops when LES function is weakened or when intra-abdominal pressure increases. Risk factors include aging, obesity, and sliding hiatal hernia,...
Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy01:26

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy

This lesson explores three gastrointestinal imaging techniques: radionuclide testing, colonic transit studies, and virtual colonoscopy.
Radionuclide Testing
Radionuclide testing is a sophisticated medical technique for assessing gastrointestinal motility. It focuses on gastric emptying and colonic transit time. Radioactive markers track the movement of food through the digestive system, providing insights into gastrointestinal disorders.
In gastric emptying studies, a meal's liquid and solid...
Gastric Emptying01:16

Gastric Emptying

Gastric emptying occurs when the stomach gradually releases chyme into the duodenum. When the stomach is distended, it triggers the release of gastrin, a hormone that promotes gastric acid secretion to aid in digestion. Additionally, stomach distension contributes to peristaltic waves that propel gastric contents toward the pyloric region. The gastroenteric reflex, on the other hand, primarily stimulates peristalsis in the intestines, facilitating the movement of contents further along the...
Endoscopic Procedures I: Esophagogastroduodenoscopy01:29

Endoscopic Procedures I: Esophagogastroduodenoscopy

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:
Lower GI Series: Barium Enema01:23

Lower GI Series: Barium Enema

A Barium Enema, or a lower GI series, is a specialized radiographic examination designed to visualize the lower gastrointestinal tract, specifically the colon and rectum. This procedure is instrumental in diagnosing various conditions such as colorectal cancer, polyps, diverticulosis, and inflammatory bowel disease.
Procedure Details
The examination begins by inserting a lubricated rectal tube into the patient's rectum to administer a radiopaque barium solution. The barium flow is carefully...

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Related Experiment Video

Updated: May 14, 2026

Induction of Intestinal Graft-versus-host Disease and Its Mini-endoscopic Assessment in Live Mice
09:50

Induction of Intestinal Graft-versus-host Disease and Its Mini-endoscopic Assessment in Live Mice

Published on: February 11, 2019

[Gastro-highlights 2012].

P Bauerfeind1, R Schöfl, B Müllhaupt

  • 1Klinik für Gastroenterologie und Hepatologie, Universitätsspital Zürich.

Praxis
|February 13, 2013
PubMed
Summary
This summary is machine-generated.

The Gastro Highlights symposium reviewed recent gastroenterology and hepatology advances. The event also honored Prof. Dr. med. Michael Fried for his contributions and the symposium's 17-year history.

Related Experiment Videos

Last Updated: May 14, 2026

Induction of Intestinal Graft-versus-host Disease and Its Mini-endoscopic Assessment in Live Mice
09:50

Induction of Intestinal Graft-versus-host Disease and Its Mini-endoscopic Assessment in Live Mice

Published on: February 11, 2019

Area of Science:

  • Gastroenterology and Hepatology
  • Medical Education
  • Clinical Practice

Context:

  • The annual Gastro Highlights training event convened at University Hospital Zurich.
  • The symposium celebrated Prof. Dr. med. Michael Fried's 60th birthday and his 17-year leadership of the event.
  • The event serves as a platform for disseminating cutting-edge research and clinical insights.

Purpose:

  • To summarize key advancements in gastroenterology and hepatology from the past year.
  • To present significant findings from the Digestive Disease Week (DDW).
  • To commemorate Prof. Dr. med. Michael Fried's career and contributions to the field.

Summary:

  • The symposium featured a review of the latest discoveries in gastroenterology and hepatology.
  • Key developments were highlighted, including those presented at the Digestive Disease Week (DDW).
  • International experts provided a retrospective on decades of progress in gastroenterology.

Impact:

  • Facilitates the rapid dissemination of critical updates in gastroenterology and hepatology to clinicians.
  • Enhances professional development for specialists in the field.
  • Recognizes the significant impact of key opinion leaders on the advancement of gastrointestinal and liver diseases.