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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,...
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...
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...
Appendicitis-I: Introduction01:22

Appendicitis-I: Introduction

The appendix, a small, narrow, blind tube extending from the inferior part of the cecum, is widely regarded as a vestigial organ, having lost much of its original function through evolution. Despite its diminished role, the appendix can become inflamed, a condition known as appendicitis.
Etiology: Appendicitis can arise from various causes, primarily rooted in the obstruction of the appendix lumen. Factors contributing to this obstruction include fecal accumulation, lymphoid hyperplasia and, in...
Irritable Bowel Syndrome II: Clinical Features and Diagnostic Evaluation01:30

Irritable Bowel Syndrome II: Clinical Features and Diagnostic Evaluation

Irritable Bowel Syndrome II: Clinical Features and Diagnostic Evaluation
Irritable Bowel Syndrome (IBS) is classified into subtypes based on the predominant bowel habits as determined by the Bristol Stool Form Scale (BSFS). The subtypes are:
Esophageal Strictures-II: Clinical Features and Management01:26

Esophageal Strictures-II: Clinical Features and Management

Patients with esophageal strictures often experience a range of symptoms. Initially, they may have difficulty swallowing solid foods, which can progress to include liquids. Additional symptoms may involve chest pain or discomfort, regurgitating food and fluids, heartburn, unintentional weight loss, coughing or choking during meals, and hoarseness.
Healthcare providers should gather a comprehensive medical history and conduct a physical examination for diagnosis. If esophageal stricture is...

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Related Experiment Video

Updated: May 19, 2026

Multimodality Diagnosis of Mesenteric Ischemia
05:07

Multimodality Diagnosis of Mesenteric Ischemia

Published on: July 21, 2023

Intussusception: clinical presentations and imaging characteristics.

Katherine Mandeville1, Ming Chien, F Anthony Willyerd

  • 1Departments of Emergency Medicine and †Radiology, Phoenix Children's Hospital, Phoenix, AZ, USA.

Pediatric Emergency Care
|August 30, 2012
PubMed
Summary
This summary is machine-generated.

Intussusception in children presents differently by age, with abdominal pain being common in all. Ultrasound is more effective than abdominal radiographs for diagnosis.

Related Experiment Videos

Last Updated: May 19, 2026

Multimodality Diagnosis of Mesenteric Ischemia
05:07

Multimodality Diagnosis of Mesenteric Ischemia

Published on: July 21, 2023

Area of Science:

  • Pediatric Gastroenterology
  • Diagnostic Imaging
  • Clinical Pediatrics

Background:

  • Intussusception is a common cause of bowel obstruction in infants and young children.
  • Clinical presentation and diagnostic accuracy vary by age group.
  • Radiographic and ultrasound findings are crucial for diagnosis.

Purpose of the Study:

  • To determine age-specific clinical findings in pediatric intussusception.
  • To evaluate the diagnostic performance of abdominal radiographs (presence of air in the ascending colon).
  • To assess the effectiveness of ultrasound in diagnosing intussusception.

Main Methods:

  • Retrospective cohort study of 219 children (0-17 years) with intussusception.
  • Chart review for clinical signs, symptoms, and diagnostic studies.
  • Radiologist review of abdominal films and ultrasounds.

Main Results:

  • Abdominal pain was the most frequent symptom (>96%) in children over 12 months.
  • Emesis, irritability, and bloody stools were more common in children younger than 12 months.
  • Ultrasound diagnosed intussusception in 92% of cases, outperforming abdominal radiographs.

Conclusions:

  • Abdominal pain is a universal symptom of intussusception in children.
  • Emesis, irritability, and stool blood are key indicators in infants under 12 months.
  • Ultrasound is a highly effective diagnostic tool for pediatric intussusception.