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Related Concept Videos

Urinary Tract Calculi II: Pathophysiology and Clinical Manifestations01:26

Urinary Tract Calculi II: Pathophysiology and Clinical Manifestations

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Renal calculi, commonly termed kidney stones, are crystalline solid masses that form in the kidneys but can occur at any point within the urinary system, encompassing the kidneys, ureters, bladder, and urethra.The pathophysiology of renal stones involves several key factors: supersaturation of the urine with stone-forming constituents, changes in urine pH, a decrease in urine volume, and the presence of substances that promote or inhibit stone formation.Supersaturation of Urine: This is the...
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Urinary Tract Calculi I: Introduction01:28

Urinary Tract Calculi I: Introduction

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Renal calculi, or kidney stones, are solid deposits of minerals and salts formed inside the kidneys. In medical terminology, "calculus" refers to the stone itself, while "lithiasis" describes the process of stone formation. Depending on their location within the urinary system, these stones may be classified as either urolithiasis, when situated within the urinary tract, or nephrolithiasis, when located within the kidneys. Each term signifies the specific impact of the stone.Predisposition...
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Urinary Tract Calculi III: Medical Management01:30

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The diagnosis of renal calculi involves several imaging techniques, including non-contrast CT scans and ultrasound. These methods help visualize kidney stones, assess their size and location, and detect possible obstructions. Additionally, Measuring urine pH is useful for diagnosing specific stone types, such as struvite (alkaline pH) and uric acid stones (acidic pH). Cystine stones are primarily linked to cystinuria, a genetic condition. A urinalysis helps detect blood in the urine (hematuria)...
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Urinary Tract Calculi IV: Nutrition Therapy and Prevention01:27

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Management of renal calculi focuses on effective strategies like tailored nutrition and hydration therapy. Adjusting diet and fluid intake reduces stone formation and recurrence, making these interventions simple yet powerful in kidney stone prevention and management.Understanding Kidney StonesKidney stones form when calcium, oxalate, uric acid, and cystine concentrate and crystallize in urine. Factors contributing to their formation include genetic predisposition, certain medical conditions,...
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Urine Studies I: Urinalysis01:29

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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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Antihypertensive Drugs: Action of Diuretics01:16

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Diuretics are antihypertensive drugs used to treat hypertension resulting from sodium and water retention. Sodium, vital for fluid balance and nerve or muscle function, is regulated by the kidneys through millions of nephrons. Blood enters nephrons via afferent arterioles, which branch into capillaries called glomeruli. These filter blood plasma, allowing water and solutes, like sodium ions, to pass through capillary walls into Bowman's capsule. The filtrate then flows through various...
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Updated: Mar 10, 2026

Quantitative SERS Detection of Uric Acid via Formation of Precise Plasmonic Nanojunctions within Aggregates of Gold Nanoparticles and Cucurbit[n]uril
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[Hyperuricemia and Gout].

Elisa Delbarba, Vincenzo Terlizzi, Nadia Dallera

    Giornale Italiano Di Nefrologia : Organo Ufficiale Della Societa Italiana Di Nefrologia
    |December 14, 2016
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    This summary is machine-generated.

    Gout, an inflammatory arthritis caused by urate crystal deposition, is increasingly prevalent. This article reviews kidney function in gout, crystal effects, and updated management strategies, especially for renal patients.

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    Area of Science:

    • Nephrology
    • Rheumatology
    • Internal Medicine

    Background:

    • Gout is a well-documented inflammatory arthritis characterized by monosodium urate crystal deposition.
    • Hyperuricemia (serum uric acid > 6.8 mg/dL) is necessary but not sufficient for gout development.
    • Increasing prevalence is linked to risk factors like hypertension, obesity, renal failure, and longer life expectancy.

    Purpose of the Study:

    • To elucidate the role of kidneys in uric acid homeostasis.
    • To describe the clinical impact of urate crystal deposition in tissues, including renal effects.
    • To present updated diagnostic and management guidelines for gout, focusing on renal patients.

    Main Methods:

    • Review of existing literature on gout pathophysiology and epidemiology.
    • Analysis of the role of renal function in uric acid metabolism.
    • Examination of current clinical guidelines for gout diagnosis and treatment.

    Main Results:

    • Kidneys play a crucial role in maintaining uric acid balance.
    • Crystal deposition leads to acute arthritis, tophi, and kidney-related complications.
    • Newer therapeutic strategies are emerging, with specific considerations for patients with kidney disease.

    Conclusions:

    • Understanding renal involvement is key to managing gout effectively.
    • Updated guidelines offer improved diagnostic and therapeutic approaches.
    • Tailored management is essential for gout patients with renal impairment.