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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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Endoscopic Procedures V: ERCP01:26

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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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Endoscopic Procedures II: Colonoscopy01:25

Endoscopic Procedures II: Colonoscopy

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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:
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Endoscopic Procedures III: Video Capsule Endoscopy01:28

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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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Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy01:26

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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.
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Endoscopic Studies I: Bronchoscopy and Thoracoscopy01:30

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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.
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Updated: Jul 10, 2025

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

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Functional Endoscopy.

Haruhiro Inoue1, Yuto Shimamura1

  • 1Digestive Diseases Center, Showa University Koto Toyosu Hospital, Tokyo, Japan.

Digestion
|November 26, 2023
PubMed
Summary
This summary is machine-generated.

Functional endoscopy enhances gastrointestinal diagnosis by assessing motor functions and reflux alongside visual inspection. The Endoscopic Pressure Study Integrated System (EPSIS) offers a comprehensive method for diagnosing conditions like GERD.

Keywords:
EndoscopyEsophagusGastroesophageal reflux disease

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Area of Science:

  • Gastroenterology
  • Medical Imaging
  • Physiology

Background:

  • Traditional endoscopy identifies morphological changes for cancer detection.
  • Functional endoscopy dynamically evaluates digestive tract motility and reflux.
  • Morphological changes like hiatal hernias are also assessed.

Purpose of the Study:

  • To introduce functional endoscopy as an advancement in gastrointestinal examination.
  • To highlight the limitations of relying solely on static endoscopic images.
  • To present the Endoscopic Pressure Study Integrated System (EPSIS) as a functional endoscopy tool.

Main Methods:

  • Integrating motor function assessments with routine endoscopy.
  • Utilizing the Endoscopic Pressure Study Integrated System (EPSIS).
  • Employing stress tests (intragastric insufflation) to evaluate the lower esophageal sphincter (LES) functionality and observing the scope holding sign (SHS).

Main Results:

  • EPSIS enables assessment of LES contraction via the scope holding sign (SHS).
  • Dynamic evaluation includes observing esophageal peristaltic waves and detecting burping.
  • Integration of these dynamic findings provides a comprehensive diagnostic approach.

Conclusions:

  • Functional endoscopy, exemplified by EPSIS, significantly enhances diagnostic capabilities for gastrointestinal examinations.
  • EPSIS offers a comprehensive method for diagnosing functional gastrointestinal diseases, including GERD.
  • The system integrates dynamic observations like LES function and peristalsis for improved diagnosis.