Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Urine Studies I: Urinalysis01:29

Urine Studies I: Urinalysis

48
Urinalysis is a widely used diagnostic test that analyzes urine's physical, chemical, and microscopic characteristics. Healthcare providers use it to detect and monitor various health conditions, including renal disease, urinary tract infections (UTIs), diabetes, and metabolic or systemic disorders.Components of UrinalysisUrinalysis consists of three primary components: physical, chemical, and microscopic examination. Each provides unique insights into the urine sample and, by extension, the...
48
Urine: Physical and Chemical Properties01:18

Urine: Physical and Chemical Properties

1.1K
Urine comprises approximately 95% water and 5% solutes. The primary ingredient, apart from water, is urea - a byproduct of the breakdown of amino acids. Other notable components include uric acid, a residue from nucleic acid metabolism, and creatinine, a metabolite from creatine phosphate breakdown in skeletal muscle tissue.
The concentration of these solutes varies, with urea being the most abundant nitrogenous waste product. Other solutes include sodium, chloride, potassium, phosphate,...
1.1K
Urinary Tract Infection III: Diagnostic Studies and Interprofessional Care01:30

Urinary Tract Infection III: Diagnostic Studies and Interprofessional Care

19
A healthcare provider can diagnose a urinary tract infection (UTI) through several methods:Medical History and Symptoms: The provider will take a detailed medical history and ask about symptoms such as frequent urination, burning sensation during urination, and lower abdominal pain.Urinalysis: A clean-catch urine sample is collected in a sterile container and tested for the presence of bacteria, white blood cells (leukocytes), nitrites, blood, and protein. The presence of leukocytes and...
19
Imaging Studies V: Intravenous Urography and Retrograde Pyelography01:22

Imaging Studies V: Intravenous Urography and Retrograde Pyelography

102
IntroductionIntravenous Urography (IVU) and Retrograde Pyelography (RP) are important diagnostic imaging techniques used to evaluate the urinary system. These methods help identify structural abnormalities, obstructions, and functional issues in the kidneys, ureters, and bladder. Both procedures use iodine-based contrast media to enhance the visibility of urinary tract structures on X-ray images, though they differ in their methods and indications.1. Intravenous Urography (IVU)Intravenous...
102
Imaging Studies VI: Voiding Cystourethrography and Cystography01:22

Imaging Studies VI: Voiding Cystourethrography and Cystography

63
Voiding Cystourethrography (VCUG) and Cystography are specialized radiographic procedures used to examine the structure and function of the bladder and urethra.Voiding Cystourethrography (VCUG)A Voiding Cystourethrogram (VCUG) is a diagnostic imaging procedure that assesses the anatomy and function of the lower urinary tract. It focuses on the bladder, bladder neck, and urethra, helping detect abnormalities such as vesicoureteral reflux (VUR)—the backward or reverse flow of urine into the...
63
Formation of Dilute Urine01:20

Formation of Dilute Urine

1.7K
The formation of dilute urine is a critical renal adaptation that maintains fluid balance, particularly during periods of high fluid intake. This process primarily involves the juxtamedullary nephrons. By adjusting the permeability of water and ions in response to physiological conditions, the kidneys can either conserve or excrete water, resulting in concentrated or dilute urine.
Filtrate Osmolarity in the PCT
Initially, as the filtrate passes through the proximal convoluted tubule (PCT), its...
1.7K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Curricular Recommendations for a National Family Medicine Subinternship: A Qualitative Analysis From Multiple Stakeholders.

Family medicine·2021
Same author

Text Messaging as a Teaching Tool in a Family Medicine Clerkship Rotation.

PRiMER (Leawood, Kan.)·2020
Same author

Technology Use to Deliver Faculty Development: A CERA Study.

PRiMER (Leawood, Kan.)·2020
Same author

Forward Feeding in Graduate Medical Education: Results of a National Survey.

Family medicine·2019
Same author

Prostate Cancer Screening: Shared Decision-Making for Screening and Treatment.

Primary care·2019
Same author

Creating a Centralized Infrastructure to Facilitate Medical Education Research.

Annals of family medicine·2018

Related Experiment Video

Updated: Aug 6, 2025

Assessing Urinary Tract Junction Obstruction Defects by Methylene Blue Dye Injection
06:05

Assessing Urinary Tract Junction Obstruction Defects by Methylene Blue Dye Injection

Published on: October 12, 2017

15.8K

Catheterized urine color change.

Russ Blackwelder1, Jessica Li Eason1, Ruth Weber1

  • 1Department of Family Medicine (Drs. Blackwelder, Weber, and Chessman) and Department of Internal Medicine (Dr. Li Eason), Medical University of South Carolina, Charleston.

The Journal of Family Practice
|March 22, 2023
PubMed
Summary
This summary is machine-generated.

Urine color changes in patients with Foley catheters can be caused by bacterial biofilm formation. This biofilm can lead to urinary tract infections and requires prompt medical attention.

More Related Videos

Low-Cost, Volume-Controlled Dipstick Urinalysis for Home-Testing
06:55

Low-Cost, Volume-Controlled Dipstick Urinalysis for Home-Testing

Published on: May 8, 2021

5.6K
Transurethral Instillation Procedure in Adult Male Mouse
04:01

Transurethral Instillation Procedure in Adult Male Mouse

Published on: November 2, 2017

15.9K

Related Experiment Videos

Last Updated: Aug 6, 2025

Assessing Urinary Tract Junction Obstruction Defects by Methylene Blue Dye Injection
06:05

Assessing Urinary Tract Junction Obstruction Defects by Methylene Blue Dye Injection

Published on: October 12, 2017

15.8K
Low-Cost, Volume-Controlled Dipstick Urinalysis for Home-Testing
06:55

Low-Cost, Volume-Controlled Dipstick Urinalysis for Home-Testing

Published on: May 8, 2021

5.6K
Transurethral Instillation Procedure in Adult Male Mouse
04:01

Transurethral Instillation Procedure in Adult Male Mouse

Published on: November 2, 2017

15.9K

Area of Science:

  • Urology
  • Microbiology
  • Medical Device Science

Background:

  • Urinary catheterization, particularly with Foley catheters, is common in healthcare settings.
  • Changes in urine appearance, such as discoloration, can occur during catheterization.
  • The underlying causes of these changes are not always immediately apparent.

Purpose of the Study:

  • To investigate the cause of abrupt urine color changes in patients with Foley catheters.
  • To determine the relationship between Foley catheter duration and urine discoloration.
  • To identify potential microbial or chemical factors contributing to altered urine color.

Main Methods:

  • Retrospective analysis of patient data including urine cultures and urinalysis.
  • Microscopic examination of catheterized urine samples.
  • Assessment of biofilm formation on Foley catheter surfaces.

Main Results:

  • Significant correlation found between prolonged Foley catheter use and changes in urine color.
  • Bacterial presence and biofilm formation identified as primary contributors to urine discoloration.
  • Specific bacterial species commonly associated with urinary tract infections were detected.

Conclusions:

  • Bacterial biofilm formation on Foley catheters is a key factor in abrupt urine color changes.
  • Urine discoloration can serve as an early indicator of potential catheter-associated urinary tract infections.
  • Further research into preventative strategies for biofilm development is warranted.