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Related Concept Videos

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...
Acute Pancreatitis I: Introduction01:25

Acute Pancreatitis I: Introduction

Acute pancreatitis is the sudden inflammation of the pancreas caused by the early activation of digestive enzymes, leading to the autodigestion of pancreatic tissue. This results in local inflammation and, in severe cases, systemic complications.EtiologyUnderstanding the underlying causes is crucial, as identifying the etiology guides treatment and anticipates complications. Acute pancreatitis can be triggered by various factors, typically grouped into the following clinical categories.Biliary...
Acute Pancreatitis I: Introduction01:27

Acute Pancreatitis I: Introduction

Pancreatitis is inflammation of the pancreas, an organ located behind the stomach. It can be either acute or chronic.
Acute pancreatitis is characterized by rapid inflammation of the pancreas, often caused by factors like gallstone blockage or excessive alcohol consumption. Chronic pancreatitis, on the other hand, is a slow, progressive inflammation that may result from long-term alcohol abuse, obstructions in the pancreatic duct, or genetic factors.
The causes of acute pancreatitis include:
Transient Ischemic Attack l: Introduction01:26

Transient Ischemic Attack l: Introduction

A transient ischemic attack (TIA) is a brief episode of neurological dysfunction caused by a temporary, focal reduction in cerebral blood flow. Although symptoms resemble those of an ischemic stroke, the interruption in perfusion is short-lived and does not cause permanent infarction. TIAs are clinically important because they often serve as early warning events for future stroke.Mechanisms of Transient Cerebral IschemiaTransient cerebral ischemia may arise through several mechanisms. One...
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,...
Acute Coronary Syndrome I: Introduction01:30

Acute Coronary Syndrome I: Introduction

Acute Coronary Syndrome (ACS) encompasses a spectrum of heart conditions caused by sudden obstruction of coronary arteries, typically resulting from the rupture of an atherosclerotic plaque and subsequent thrombus (blood clot) formation. This obstruction can lead to partial or complete blockage of blood flow, causing varying degrees of myocardial ischemia or infarction.ACS includes the following clinical entities:Unstable Angina (UA)Non-ST-Elevation Myocardial Infarction (NSTEMI)ST-Elevation...

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Related Experiment Video

Updated: Jun 24, 2026

Multimodality Diagnosis of Mesenteric Ischemia
05:07

Multimodality Diagnosis of Mesenteric Ischemia

Published on: July 21, 2023

[Acute intestinal ischemia].

E S Debus1, H Diener, A Larena-Avellaneda

  • 1Abt. Allgemein-, Gefäss- und Visceralchirurgie, Asklepios Klinik Harburg, Eissendorfer Pferdeweg 52, Hamburg, Germany. s.debus@asklepios.com

Der Chirurg; Zeitschrift Fur Alle Gebiete Der Operativen Medizen
|April 8, 2009
PubMed
Summary
This summary is machine-generated.

Acute mesenteric ischemia is a medical emergency with high mortality due to delayed diagnosis and treatment. Improving management strategies is crucial for optimizing patient outcomes in this critical condition.

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Area of Science:

  • Vascular Surgery
  • Gastroenterology
  • Emergency Medicine

Context:

  • Acute mesenteric ischemia (AMI) presents distinct challenges compared to chronic splanchnic ischemia.
  • AMI is a critical emergency with a high mortality rate (60-80%).
  • Delayed diagnosis, rapid tissue loss, and bacterial translocation contribute to poor outcomes.

Purpose:

  • To differentiate acute mesenteric ischemia from chronic splanchnic ischemia.
  • To highlight the critical nature and contributing factors to the high lethality of AMI.
  • To emphasize the need for improved management and treatment strategies for AMI.

Summary:

  • The superior mesenteric artery is implicated in 85% of AMI cases, often presenting with severe abdominal pain and tissue damage.
  • CT angiography with 3D reconstruction is the preferred diagnostic modality.
  • Invasive treatment is indicated for symptomatic cases, with conventional angiography playing a role in endovascular procedures.

Impact:

  • Optimizing management and treatment is essential to improve the prognosis of acute mesenteric ischemia.
  • Early and accurate diagnosis, coupled with timely intervention, can reduce mortality.
  • Further research into effective management protocols is warranted.