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Related Concept Videos

Intestinal Obstruction I: Introduction01:29

Intestinal Obstruction I: Introduction

Intestinal obstruction is a partial or complete blockage of the small or large intestine that disrupts the normal flow of intestinal contents through the lumen. This interruption impairs digestion, absorption, and fluid balance, and may lead to serious complications if not treated promptly.Mechanical ObstructionMechanical obstruction occurs when a physical blockage prevents intestinal contents from passing, arising from within the lumen or the bowel wall, or from external compression.Adhesions,...
Intestinal Obstruction II: Pathophysiology01:07

Intestinal Obstruction II: Pathophysiology

Intestinal obstruction triggers a series of physiological responses, starting with gas and fluid accumulation in the bowel segment proximal to the obstruction, leading to distension. This distended intestine compresses the diaphragm, hindering lung expansion and potentially leading to reduced respiratory effort, atelectasis, and pneumonia.To overcome the blockage, the gut intensifies contractions, causing colicky abdominal pain, nausea, and vomiting, which reduces fluid and food intake and...
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...
Inflammatory Bowel Disease V: Surgical Management01:21

Inflammatory Bowel Disease V: Surgical Management

Surgical interventions for inflammatory bowel disease (IBD), which includes ulcerative colitis and Crohn's disease, are essential in managing symptoms and addressing complications. The selection of surgical procedures is contingent upon the specific conditions and complications that stem from these illnesses.
Here are some common surgical interventions for IBD:
Assessment of the Rectum and Anus01:25

Assessment of the Rectum and Anus

Evaluating the rectum and anus plays a crucial role in conducting a thorough physical examination of the gastrointestinal system. Although it may be uncomfortable and often embarrassing for the patient, it holds immense diagnostic value, particularly in detecting gastrointestinal diseases and abnormalities. This guide will explain how to perform this assessment using inspection and palpation methods.
Rectal Inspection
Begin by inspecting the perianal and anal areas for color, texture, rashes,...
Inflammatory Bowel Disease III: Diagnostic Studies and Management I-Nutritional Therapy01:30

Inflammatory Bowel Disease III: Diagnostic Studies and Management I-Nutritional Therapy

Various diagnostic tests are employed in the diagnostic process for Inflammatory Bowel Disease (IBD), particularly to differentiate between Crohn's disease and ulcerative colitis.
Diagnostic studies
A colonoscopy is the definitive screening test, distinguishing ulcerative colitis from other colon diseases with similar symptoms. During a colonoscopy test, inflamed mucosa with exudate ulcerations can be observed, and biopsies are taken to determine the histologic characteristics of the colonic...

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Related Experiment Video

Updated: Jul 14, 2026

A Mouse Model of Intestinal Partial Obstruction
07:33

A Mouse Model of Intestinal Partial Obstruction

Published on: March 5, 2018

[Historical changes of diagnostic methods for intestinal obstruction].

Yun-Fu Lu1, Xin-Xin Zhang

  • 1First Department of General Surgery, Hainan Provincial people's Hospital, Haikou 570311, China.

Zhonghua Yi Shi Za Zhi (Beijing, China : 1980)
|May 31, 2007
PubMed
Summary

Diagnosing strangulated intestinal obstruction remains challenging, with high misdiagnosis rates indicating a need for further research. Continued efforts are essential to improve diagnostic accuracy for this ancient condition.

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Multimodality Diagnosis of Mesenteric Ischemia
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Multimodality Diagnosis of Mesenteric Ischemia

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Last Updated: Jul 14, 2026

A Mouse Model of Intestinal Partial Obstruction
07:33

A Mouse Model of Intestinal Partial Obstruction

Published on: March 5, 2018

Multimodality Diagnosis of Mesenteric Ischemia
05:07

Multimodality Diagnosis of Mesenteric Ischemia

Published on: July 21, 2023

Area of Science:

  • Gastroenterology
  • Surgical Diagnostics

Background:

  • Intestinal obstruction is a historically significant medical condition.
  • Diagnosis has evolved but presents ongoing challenges.

Purpose of the Study:

  • To highlight the diagnostic difficulties in strangulated intestinal obstruction.
  • To emphasize the need for improved diagnostic strategies.

Main Methods:

  • Review of historical diagnostic approaches.
  • Analysis of current diagnostic accuracy data for strangulated intestinal obstruction.

Main Results:

  • Strangulated intestinal obstruction diagnosis remains a significant clinical challenge.
  • Reported misdiagnosis rates range from 37% to 50%.

Conclusions:

  • Despite advancements, accurately diagnosing strangulated intestinal obstruction requires further investigation.
  • Long-term research efforts are necessary to overcome current diagnostic limitations.