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Related Concept Videos

Acute Kidney Injury V: Interprofessional Care01:20

Acute Kidney Injury V: Interprofessional Care

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Acute Kidney Injury (AKI) requires a collaborative healthcare approach to restore renal function and prevent complications. Essential management strategies involve monitoring fluid and electrolyte balance, adjusting medications, initiating dialysis when necessary, and providing nutritional support.Fluid and Electrolyte ManagementFluid Monitoring: Regularly monitoring body weight, central venous pressure, and urine output helps detect fluid imbalances early. Patient intake and output are...
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Acute Kidney Injury IV: Diagnostic Studies and Prevention01:30

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Accurate diagnosis and effective prevention are critical in managing Acute Kidney Injury (AKI), which is linked to high mortality rates ranging from 10% to 80%. Timely recognition of at-risk patients and careful monitoring can significantly reduce the likelihood of kidney damage.Diagnostic Assessments:The diagnostic process starts with a comprehensive medical history to identify prerenal, intrarenal, and postrenal causes.Prerenal causes, such as dehydration, hypotension, or blood loss, should...
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Acute Kidney Injury III: Clinical Manifestations01:29

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Acute Kidney Injury (AKI) progresses through distinct clinical phases: the oliguric, diuretic, and recovery phases, each marked by unique manifestations and challenges.Oliguric Phase:The oliguric phase is the initial stage of AKI, typically lasting 10 to 14 days. This phase is marked by a significant reduction in urine output, usually less than 400 mL per day, indicating decreased kidney function. Fluid retention is a prominent feature, leading to symptoms such as edema, hypertension, and...
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Acute Kidney Injury I: Introduction01:22

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Introduction:Acute Kidney Injury (AKI) describes a swift decrease in kidney function occurring over hours to days, characterized by the kidneys' failure to remove waste products from the bloodstream. This leads to dangerous complications like metabolic acidosis, fluid overload, and electrolyte imbalances, such as hyperkalemia, which can cause life-threatening arrhythmias. AKI is common in both hospital and outpatient settings, often triggered by dehydration, sepsis, or exposure to nephrotoxic...
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Liddle syndrome is a genetically inherited form of hypertension characterized by the overactivity of epithelial sodium channels in the nephron, the functional unit of the kidney. This heightened activity leads to increased sodium reabsorption and excessive excretion of potassium. To counteract this, potassium-sparing diuretics such as amiloride are used. They function by blocking these sodium channels, thereby reducing the influx of sodium into the epithelial cells and minimizing the loss of...
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Predicting Precipitation
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Related Experiment Video

Updated: Nov 2, 2025

Analyses of Proteinuria, Renal Infiltration of Leukocytes, and Renal Deposition of Proteins in Lupus-prone MRL/lpr Mice
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Potassium iodide sensitivity in four patients with hypocomplementemic vasculitis.

J G Curd, H Milgrom, D D Stevenson

    Annals of Internal Medicine
    |December 1, 1979
    PubMed
    Summary

    Four patients showed sensitivity to potassium iodide (KI) with symptoms like urticaria. KI challenge confirmed sensitivity in two, causing severe systemic illness in one, suggesting a link to hypocomplementemia and vasculitis.

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    Area of Science:

    • Immunology
    • Clinical Medicine
    • Pharmacology

    Background:

    • Radiolabeled protein metabolism studies identified four patients with suspected potassium iodide (KI) sensitivity.
    • These patients repeatedly experienced urticaria and other symptoms following KI administration.

    Purpose of the Study:

    • To document and characterize KI sensitivity in patients.
    • To evaluate associations between KI sensitivity and urticaria, hypocomplementemia, and vasculitis.

    Main Methods:

    • Oral KI challenge was administered to two suspected sensitive patients and 10 control patients.
    • Clinical symptoms, hypocomplementemia, and vasculitis were monitored.

    Main Results:

    • KI challenge precipitated urticaria, angioedema, polymyalgias, conjunctivitis, and coryza in sensitive patients.
    • One sensitive patient developed severe systemic illness including fever, peritonitis, episcleritis, and pneumonitis.
    • All four sensitive patients exhibited hypocomplementemia and dermal vasculitis, often with chronic urticaria or systemic lupus erythematosus.

    Conclusions:

    • Patients with chronic urticaria or systemic lupus erythematosus, hypocomplementemia, and dermal vasculitis may be sensitive to KI.
    • KI administration can precipitate severe systemic illness in susceptible individuals.