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Related Concept Videos

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...
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...
Methods for Studying Drug Absorption: In situ01:09

Methods for Studying Drug Absorption: In situ

In situ experiments, such as the Doluisio method and Single-Pass Perfusion technique, provide critical insights into drug uptake by simulating in vivo conditions for drug absorption.
The Doluisio method involves perfusing a prepared segment of a rat's small intestine with a solution of radiolabeled drug and a non-absorbable marker. This helps to differentiate between absorbed and non-absorbed drug concentrations. The intestinal segment is connected at both ends using tubing and syringes,...
Sputum Studies I: Gram Stain, cytology, and Acid-fast smear and culture01:26

Sputum Studies I: Gram Stain, cytology, and Acid-fast smear and culture

Sputum studies are a critical part of diagnosing and treating numerous respiratory conditions. These studies involve obtaining sputum samples for analysis to identify pathogenic organisms and assess the presence of abnormal cells indicative of malignant conditions. This lesson will delve into three fundamental sputum studies: Gram Stain, Cytology, and Acid-fast Smear and Culture.
Gram Stain
The Gram Stain is an integral part of sputum studies. It involves the staining of sputum, which permits...
The Scientific Method01:32

The Scientific Method

The scientific method is a detailed, empirical problem-solving process used by biologists and other scientists. This iterative approach involves formulating a question based on observation, developing a testable potential explanation for the observation (called a hypothesis), making and testing predictions based on the hypothesis, and using the findings to create new hypotheses and predictions.Generally, predictions are tested using carefully-designed experiments. Based on the outcome of these...
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,...

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Related Experiment Video

Updated: Jun 15, 2026

An In Vitro Batch-culture Model to Estimate the Effects of Interventional Regimens on Human Fecal Microbiota
07:15

An In Vitro Batch-culture Model to Estimate the Effects of Interventional Regimens on Human Fecal Microbiota

Published on: July 31, 2019

Stool studies: tried, true, and new.

Mary Ann Jessee1

  • 1Vanderbilt University School of Nursing, 305 Godchaux Hall, 461 21st Avenue South, Nashville, TN 37240, USA. mary.a.jessee@vanderbilt.edu

Critical Care Nursing Clinics of North America
|March 3, 2010
PubMed
Summary
This summary is machine-generated.

Stool sample analysis provides crucial insights into gastrointestinal health and nutritional status. Accurate sample collection, aided by critical care nurses, is essential for diagnosing infections and cancers.

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Investigating the Alleviating Effects of Bacillus cereus Administration on Colitis through Gut Microbiota Modulation
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Related Experiment Videos

Last Updated: Jun 15, 2026

An In Vitro Batch-culture Model to Estimate the Effects of Interventional Regimens on Human Fecal Microbiota
07:15

An In Vitro Batch-culture Model to Estimate the Effects of Interventional Regimens on Human Fecal Microbiota

Published on: July 31, 2019

Investigating the Alleviating Effects of Bacillus cereus Administration on Colitis through Gut Microbiota Modulation
08:34

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Published on: July 27, 2022

Area of Science:

  • Gastroenterology
  • Clinical Diagnostics
  • Nutritional Science

Background:

  • Stool analysis is a valuable diagnostic tool for assessing gastrointestinal and nutritional health.
  • Early identification of infectious and neoplastic processes relies on stool sample screening.

Purpose of the Study:

  • To highlight the diagnostic significance of stool samples.
  • To emphasize the importance of proper stool sample collection techniques.

Main Methods:

  • Diagnostic testing and screening of stool samples.
  • Collaboration between patients and critical care nurses for sample acquisition.

Main Results:

  • Stool samples yield substantial information regarding a patient's gastrointestinal and nutritional status.
  • Diagnostic tests and screening of stool samples are key for identifying infectious and neoplastic conditions.

Conclusions:

  • The diagnostic value of correctly obtained stool samples is undeniable.
  • Effective patient-nurse collaboration is critical for successful stool sample collection.