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Related Concept Videos

Urine Studies I: Urinalysis01:29

Urine Studies I: Urinalysis

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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...
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Green Algae01:21

Green Algae

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Green algae, also referred to as chlorophytes, are different from red algae in having the chloroplasts containing chlorophylls a and b, which give them their distinct green hue. However, they lack phycobiliproteins, preventing them from developing the red or blue-green pigmentation seen in red algae. In terms of photosynthetic pigment composition, green algae closely resemble plants and share a close evolutionary relationship with them. Taxonomically Green algae belong to Phylum Chlorophyta in...
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Urine: Physical and Chemical Properties01:18

Urine: Physical and Chemical Properties

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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,...
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Color Vision01:24

Color Vision

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Color perception begins in the retina, the light-sensitive layer at the back of the eye. Two main theories explain how colors are seen: the trichromatic theory and the opponent-process theory. The trichromatic theory, proposed by Thomas Young in 1802 and extended by Hermann von Helmholtz in 1852, suggests that color vision is based on three types of cone receptors in the retina. These cones are sensitive to different but overlapping ranges of wavelengths corresponding to red, blue, and green.
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Changes in Skin Color: Clinical Perspectives01:14

Changes in Skin Color: Clinical Perspectives

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The first thing a clinician sees is the skin, so the examination of the skin should be part of any thorough physical examination. Most skin disorders are relatively benign, but a few, including melanomas, can be fatal if untreated. A couple of the more noticeable disorders, albinism and vitiligo, affect the appearance of the skin and its accessory organs.
Albinism
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Formation of Dilute Urine01:20

Formation of Dilute Urine

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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
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Green urine.

Diptesh Gupta1, Raghav Gupta

  • 1Department of Internal Medicine, University of Missouri – Columbia, USA.

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|May 31, 2011
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Summary
This summary is machine-generated.

Green urine discoloration is a rare side effect of propofol infusion. This benign finding resolved after discontinuing the anesthetic agent, aiding in patient diagnosis.

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Area of Science:

  • Clinical Chemistry
  • Diagnostic Medicine
  • Pharmacology

Background:

  • Urinalysis is a crucial diagnostic tool in patient evaluation.
  • Altered urine characteristics can indicate underlying medical conditions.
  • Physicians face diagnostic challenges that urinalysis can help resolve.

Observation:

  • A case study involving a patient experiencing green urine discoloration is presented.
  • The discoloration was linked to continuous propofol infusion during medical treatment.
  • This observation highlights a potential, yet benign, side effect of propofol.

Findings:

  • Propofol infusion was identified as the cause of the green urine.
  • The urine discoloration was a benign effect, posing no threat to the patient.
  • Discontinuation of propofol led to the complete reversal of the green urine.

Implications:

  • Recognizing propofol-induced green urine can prevent unnecessary diagnostic workups.
  • This finding aids clinicians in managing patients receiving propofol.
  • Understanding rare drug side effects improves patient safety and diagnostic accuracy.