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Related Concept Videos

Assessment of the Gastrointestinal System I: Subjective Data01:17

Assessment of the Gastrointestinal System I: Subjective Data

Assessing the gastrointestinal (GI) system is a complex process that begins with collecting subjective data. This data, collected through patient interviews, provides crucial insights into the patient's health history, perception patterns, and lifestyle habits, all contributing significantly to GI health.
Health History
The initial step in assessing the GI system is obtaining a comprehensive health history. This includes inquiring about the patient's history or presence of problems related to...
Assessment of the Gastrointestinal System II: Health Perception Pattern01:29

Assessment of the Gastrointestinal System II: Health Perception Pattern

Assessing the gastrointestinal (GI) system is a complex process that begins with collecting subjective data. This data, collected through patient interviews, provides crucial insights into the patient's health history, perception patterns, and lifestyle habits, all contributing significantly to GI health.
Health Perception Patterns
Health perception patterns offer valuable insights into a patient's lifestyle habits and how they may impact their GI health. These patterns include:
Gastrointestinal Motility Disorders01:20

Gastrointestinal Motility Disorders

Gastrointestinal or GI motility disorders are characterized by irregular gastrointestinal tract movements, disrupting food transit from the mouth to the anus. They are caused by damage or dysfunction in gut muscles or nerves. These disorders can cause symptoms such as severe constipation, diarrhea, abdominal pain, and swallowing difficulties. Disorders can affect any segment of the GI tract and range widely in severity, from common conditions like GERD to life-threatening conditions like...
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...
Effect of Hepatic Disease on Pharmacokinetics: Pathophysiologic Assessment and Liver Function Test01:22

Effect of Hepatic Disease on Pharmacokinetics: Pathophysiologic Assessment and Liver Function Test

In clinical practice, the direct measurement of hepatic blood flow to evaluate liver function presents significant challenges due to the intricate and specialized nature of the necessary techniques. Consequently, healthcare professionals often rely on empirical estimates derived from thorough patient examinations and liver function tests to gauge liver health. Among the tools at their disposal, the Child–Pugh and MELD scoring systems stand out for their ability to categorize and assess the...
Serum Laboratory Studies, Stool Test, Breath Test01:30

Serum Laboratory Studies, Stool Test, Breath Test

Gastrointestinal (GI) diagnostic studies are pivotal in confirming, ruling out, diagnosing, or staging various diseases, including cancers. Following diagnosis, allocating time for discussions with the patient and providing informational resources is crucial. Diagnostic assessments of the GI tract often occur in outpatient settings like endoscopy suites or GI labs. Preparation for these tests may include dietary restrictions, fasting, liquid bowel preparations, laxatives, enemas, and the...

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Related Experiment Video

Updated: Jun 29, 2026

Using An In Vitro Tissue Perfusion System to Detect the Functional Activities of Isolated Intestinal Tubes in Real Time
06:01

Using An In Vitro Tissue Perfusion System to Detect the Functional Activities of Isolated Intestinal Tubes in Real Time

Published on: July 26, 2024

Gastrointestinal dysfunction in the critically ill: can we measure it?

Rachel G Khadaroo1, John C Marshall

  • 1Department of Surgery, and Li Ka Shing Knowledge Institute, St. Michael's Hospital, University of Toronto, Toronto, Ontario, Canada, M5B 1W8.

Critical Care (London, England)
|October 3, 2008
PubMed
Summary

Gastrointestinal dysfunction in critical illness is hard to measure. New research links feeding intolerance and high abdominal pressure to increased death risk, aiding in understanding patient outcomes.

Related Experiment Videos

Last Updated: Jun 29, 2026

Using An In Vitro Tissue Perfusion System to Detect the Functional Activities of Isolated Intestinal Tubes in Real Time
06:01

Using An In Vitro Tissue Perfusion System to Detect the Functional Activities of Isolated Intestinal Tubes in Real Time

Published on: July 26, 2024

Area of Science:

  • Critical care medicine
  • Gastroenterology
  • Sepsis research

Background:

  • Gastrointestinal dysfunction is a key but poorly defined aspect of multiple organ dysfunction syndrome (MODS).
  • Quantifying gastrointestinal dysfunction is crucial for improving patient outcomes in intensive care settings.

Discussion:

  • Reintam and colleagues explored enteral feeding intolerance and intra-abdominal hypertension as metrics for gastrointestinal dysfunction.
  • Their findings indicate a significant association between these parameters and increased mortality risk in critically ill patients.
  • The study highlights the challenges in developing a precise descriptor for gastrointestinal dysfunction within MODS.

Key Insights:

  • Both enteral feeding intolerance and intra-abdominal hypertension independently predict higher mortality.
  • The combined presence of these factors further elevates the risk of death.
  • This research contributes to the ongoing efforts to better characterize gastrointestinal morbidity in critical illness.

Outlook:

  • Further research is needed to refine the measurement and understanding of gastrointestinal dysfunction in critical care.
  • Developing standardized definitions and diagnostic criteria for gastrointestinal dysfunction in MODS is essential.
  • Improved quantification may lead to earlier interventions and better prognostication for critically ill patients.