Archive for the tag: Introduction

Cholesterol Crystals in Urine: Introduction, Clinical Significance and Identification Features

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Cholesterol Crystals in Urine: Introduction, Clinical Significance, and Identification Features
Cholesterol Crystals in Urine Sediment Microscopy,
Microscopy of Cholesterol Crystals,
Definition of Cholesterol Crystals,
Identification Features of Cholesterol Crystals,
Clinical significance of cholesterol Crystals,
Cholesterol Crystalsformation video,
Cholesterol Crystals
Introduction
โ€ข Cholesterol Crystals are long rectangles with cut-out corners in shapes and they formed due to renal tubular disease, which can lead to renal failure if left untreated. They are found in both neutral and acid urine and are rarely detected. Theyโ€™re most likely to appear after the urine sample has been re-frigerated and insoluble in acids and alkalis but soluble in ether, ethanol, and chloroform.

Identification features: Look like clear long rectangles with cut-out corners
Clinical Significance
Severe kidney disease or when a lymphatic vessel has ruptured into the renal pelvis.

A variety of Crystals and Cast links are –

Granular casts in Urine under the Microscope @

Ammonium biurate Crystals in Urine@ https://www.youtube.com/watch?v=jaVjXcFvpUc
Urate Crystal in Urine Microscopy at various magnifications@ https://www.youtube.com/watch?v=fAH91Q-pnv4
Calcium oxalate crystals in the Urine Microscopy@ https://www.youtube.com/watch?v=cKao7W7cWjM
Waxy casts in the urinary sediment of patient@ https://www.youtube.com/watch?v=yjna3dOVEtw
WBC casts in Urine Sediment Microscopy: Introduction, Identification, and Clinical Significance@https://www.youtube.com/watch?v=7g7nvV7ghxE

The basics of #cholesterol and #atherosclerosis and why doctors care so much about your lipid panel. Essentially, patients with higher levels of cholesterol have a higher risk of atherosclerotic cardiovascular disease (ASCVD)- things like heart attack, stroke, and death. Just because you have high cholesterol doesn’t mean you will have ASCVD but it does increase your risk.
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Vitamin D Deficiency | Introduction, Absorption & Metabolism, Purpose of Vit D, Causes of Deficiency

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Vitamin D Deficiency | Introduction, Absorption & Metabolism, Purpose of Vit D, Causes of Deficiency

Vitamin D Deficiency | Introduction, Absorption & Metabolism, Purpose of Vitamin D, Causes of Deficiency

Vitamin D Deficiency is a very common worldwide condition, involving inadequate levels of vitamin D. Vitamin D refers to a number of fat soluble vitamins that are garnered from dietary sources or through endogenous synthesis. Vitamin D is absorbed in the gastrointestinal system and is also synthesized in the skin from cholesterol precursors. In this lesson, we discuss these topics in more detail, including why we need vitamin D (ex. calcium homeostasis), and a variety of causes of vitamin D deficiency.

This lesson is part 1 in a series on Vitamin D deficiency. In the next lesson, we discuss the signs and symptoms of vitamin D deficiency, along with methods of diagnosing and ways of treating Vitamin D deficiency.

Note: Iโ€™m not entirely satisfied with this lesson, so I may delete this and reupload another version of it. Let me know what you think of it ๐Ÿ™‚

References (StatPearls, 2020):
https://www.ncbi.nlm.nih.gov/books/NBK532266/

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