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Related Concept Videos

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,...
108
Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy01:26

Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy

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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.
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...
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Esophageal Varices-II: Clinical Features and Management01:28

Esophageal Varices-II: Clinical Features and Management

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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.
In the initial assessment, a thorough review of the patient's medical history is vital to identify risk factors such as liver disease, alcohol...
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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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Endoscopic Procedures I: Esophagogastroduodenoscopy01:29

Endoscopic Procedures I: Esophagogastroduodenoscopy

81
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:
81
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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Related Experiment Video

Updated: Jun 18, 2025

Murine Endoscopy for In Vivo Multimodal Imaging of Carcinogenesis and Assessment of Intestinal Wound Healing and Inflammation
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Capsule endoscopy for small bowel bleed: Current update.

Uday C Ghoshal1, Akash Roy2, Mahesh K Goenka2

  • 1Institute of Gastrosciences and Liver Transplantation, Apollo Multispeciality Hospitals, Kolkata, 700 054, India. udayghoshal@gmail.com.

Indian Journal of Gastroenterology : Official Journal of the Indian Society of Gastroenterology
|August 2, 2024
PubMed
Summary
This summary is machine-generated.

Capsule endoscopy revolutionized small bowel evaluation, enabling non-invasive diagnosis of obscure gastrointestinal bleeding. Despite limitations like capsule retention, it offers a safe and effective new paradigm for visualizing the small intestine.

Keywords:
Crohn diseaseImaging capsuleObscure GI bleedPhysiological endoscopyPortal hypertensive enteropathySmall bowel angiodysplasia

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Multimodality Diagnosis of Mesenteric Ischemia
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Area of Science:

  • Gastroenterology
  • Medical Technology
  • Diagnostic Endoscopy

Background:

  • The small intestine was historically difficult to examine, limiting diagnosis of related diseases.
  • Obscure gastrointestinal bleeding (GI bleed) management has significantly advanced with new endoscopic technologies.
  • Capsule endoscopy (CE) emerged as a key tool for non-invasive small bowel evaluation.

Purpose of the Study:

  • To review the technology, benefits, and drawbacks of capsule endoscopy for small bowel diseases.
  • To analyze the utility and findings of capsule endoscopy in Indian studies for patients with small bowel bleeding.
  • To discuss the future perspectives of capsule endoscopy in gastroenterology.

Main Methods:

  • Narrative review of existing literature on capsule endoscopy.
  • Analysis of Indian studies reporting on capsule endoscopy for obscure GI bleed.
  • Evaluation of diagnostic yield, safety, and limitations of capsule endoscopy.

Main Results:

  • Capsule endoscopy has a diagnostic yield ranging from 43.5% to 90% in Indian studies.
  • Commonly detected causes of small bowel bleeding include vascular malformations, ulcers, strictures, and tumors.
  • Hookworm infestation is a notable cause of small bowel bleeding in India.
  • Capsule retention rates in Indian studies ranged from 0.6% to 15%, with rare instances of obstruction.

Conclusions:

  • Capsule endoscopy has transformed the endoscopic evaluation of the small intestine, previously an unexplored area.
  • It provides a safe and effective method for diagnosing the causes of obscure GI bleeding.
  • Ongoing research aims to enhance capsule endoscopy's capabilities, addressing current limitations.