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Related Concept Videos

Pyloric Obstruction01:11

Pyloric Obstruction

Pyloric obstruction, also referred to as gastric outlet obstruction, is a condition characterized by narrowing or blockage at the pylorus—the muscular valve regulating the flow of stomach contents into the duodenum. When this passage becomes impaired, the stomach cannot effectively empty its contents into the small intestine. This disruption leads to a range of gastrointestinal symptoms, including early satiety, bloating, epigastric pain, postprandial nausea, persistent vomiting, and...
General Case of Eccentric Axial Loading01:12

General Case of Eccentric Axial Loading

Unsymmetrical bending occurs when the bending moment applied to a structural member does not align with its principal axis. This misalignment leads to complex stress distributions and deflection patterns that differ from symmetrical bending, which are essential for designing structures to withstand different loading conditions.
Consider a member subjected to equal and opposite forces that are applied along a line that does not coincide with the member's neutral axis. In unsymmetrical bending,...
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,...
Hiatal Hernia01:25

Hiatal Hernia

A hiatal hernia is the abnormal protrusion of the stomach or other abdominal organs through the esophageal hiatus of the diaphragm into the thoracic cavity.Normally, the gastroesophageal junction (GEJ) lies below the diaphragm and is supported by the phrenoesophageal membrane, the diaphragmatic crura, and connective tissues. Weakening of these structures—due to aging, congenital defects like a short esophagus, or increased intra-abdominal pressure from coughing, obesity, pregnancy, or heavy...
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...
Esophageal Varices-I: Introduction01:24

Esophageal Varices-I: Introduction

Esophageal varices are dilated, tortuous veins which are found mainly in the submucosa of the lower esophagus but which may also appear higher up or extend into the stomach. They develop due to increased pressure in the portal venous system, often as a result of liver cirrhosis. This condition scars and damages the liver, impeding normal blood flow through the portal vein. To compensate, blood seeks alternative pathways, forming fragile new vessels (varices) in the esophagus and stomach. These...

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Related Experiment Video

Updated: May 24, 2026

Cox-Maze IV Procedure Concomitant with Valvular Surgery In Situs Inversus Dextrocardia: A Single-Center Experience in China
08:42

Cox-Maze IV Procedure Concomitant with Valvular Surgery In Situs Inversus Dextrocardia: A Single-Center Experience in China

Published on: February 11, 2022

A case of triple volvulus.

M Elsharif1, I Basu, D Phillips

  • 1Milton Keynes Hospital NHS Foundation Trust, UK. wadaltaher@hotmail.com

Annals of the Royal College of Surgeons of England
|March 7, 2012
PubMed
Summary
This summary is machine-generated.

Situs inversus, a rare congenital condition, can lead to caecal volvulus. This case highlights multiple, simultaneous volvuli in the stomach, caecum, and sigmoid colon, a unique presentation.

Related Experiment Videos

Last Updated: May 24, 2026

Cox-Maze IV Procedure Concomitant with Valvular Surgery In Situs Inversus Dextrocardia: A Single-Center Experience in China
08:42

Cox-Maze IV Procedure Concomitant with Valvular Surgery In Situs Inversus Dextrocardia: A Single-Center Experience in China

Published on: February 11, 2022

Area of Science:

  • Gastroenterology
  • Congenital Anomalies
  • Surgical Pathology

Background:

  • Situs inversus is a rare congenital condition where major visceral organs are reversed.
  • Caecal volvulus is a known complication, but multiple, simultaneous volvuli are exceptionally rare.
  • Intestinal obstruction necessitates prompt diagnosis and surgical intervention.

Observation:

  • A patient with partial situs inversus presented with symptoms of intestinal obstruction.
  • Imaging revealed three distinct volvuli: gastric, caecal, and sigmoid colon.
  • These volvuli occurred simultaneously, complicating the clinical presentation.

Findings:

  • The patient experienced intestinal obstruction due to three concurrent volvuli.
  • This represents the first reported case of multiple, simultaneous gastric, caecal, and sigmoid volvuli in a situs inversus patient.
  • Surgical intervention was required to address the complex anatomy and obstruction.

Implications:

  • This case expands the known spectrum of complications associated with situs inversus.
  • It underscores the importance of considering multiple volvuli in patients with situs inversus and intestinal obstruction.
  • Further research may elucidate the specific mechanisms predisposing these patients to complex volvular events.