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Related Concept Videos

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:
Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy01:26

Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy

Sigmoidoscopy and laparoscopy are distinct medical procedures that enable physicians to internally inspect different parts of the GI tract. Although they serve different purposes, each is essential for diagnosing and, in some cases, treating various medical conditions.
Sigmoidoscopy
Sigmoidoscopy is a diagnostic procedure that uses a flexible sigmoidoscope equipped with a light source and camera to examine the rectum and sigmoid colon. The procedure involves inserting the tube through the anus...
Endoscopic Procedures II: Colonoscopy01:25

Endoscopic Procedures II: Colonoscopy

The colon, or large intestine, is the final segment of the digestive system. Its primary functions include absorbing water and vitamins produced by gut bacteria and transforming waste from liquid to solid to form stool. In adults, the large intestine is approximately 5 feet long and consists of four main sections:
Endoscopic Procedures III: Video Capsule Endoscopy01:28

Endoscopic Procedures III: Video Capsule Endoscopy

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, unexplained...
Endoscopic Procedures V: ERCP01:26

Endoscopic Procedures V: ERCP

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...
Endoscopic Studies I: Bronchoscopy and Thoracoscopy01:30

Endoscopic Studies I: Bronchoscopy and Thoracoscopy

Endoscopy is a non-surgical medical technique used to examine a person's internal organs and vessels. This lesson will focus on two types of endoscopic studies: bronchoscopy and thoracoscopy.
Bronchoscopy
Description
Bronchoscopy is a procedure that involves direct visualization of the larynx, trachea, and bronchi for diagnostic and therapeutic purposes. A flexible fiber optic or rigid bronchoscope is used to carry out the procedure. The fiber-optic bronchoscope is more frequently used due to...

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Related Experiment Video

Updated: May 20, 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

Quality assurance for gastrointestinal endoscopy.

John I Allen1

  • 1Minnesota Gastroenterology PA and University of Minnesota School of Medicine, Bloomington, Minneapolis, Minnesota 55437, USA. jallen@mngastro.com

Current Opinion in Gastroenterology
|July 5, 2012
PubMed
Summary

Quality assurance in gastrointestinal endoscopy, particularly colonoscopy, is crucial. Improving outpatient colonoscopy value enhances colorectal cancer prevention and patient safety, guided by national quality improvement efforts.

Related Experiment Videos

Last Updated: May 20, 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
  • Endoscopic procedures
  • Quality improvement

Background:

  • Concerns regarding endoscope processing, sedation safety, cost, overuse, and missed cancers have arisen.
  • Despite challenges, long-term data confirm colonoscopy with polyp removal significantly reduces colorectal cancer risk.

Purpose of the Study:

  • To review quality assurance for gastrointestinal endoscopy, focusing on colonoscopy.
  • To emphasize research and guidelines published since January 2011, with background from earlier work.
  • To identify strategies for enhancing the value of outpatient colonoscopy.

Main Methods:

  • Literature review of research and guidelines on gastrointestinal endoscopy quality assurance.
  • Analysis of recent findings on infection risks, cost-effectiveness, and cancer detection rates.
  • Examination of national quality improvement initiatives and their infrastructure.

Main Results:

  • Lapses in endoscope processing and sedation pose infection risks.
  • Colonoscopy, despite concerns, demonstrates value in reducing long-term colorectal cancer risk.
  • National quality improvement efforts provide a framework for developing accountability standards.

Conclusions:

  • A coordinated national quality improvement agenda is emerging in the United States.
  • Physicians must understand their practice's role within this infrastructure.
  • This review offers a roadmap for developing robust quality assurance programs in endoscopic practice.