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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 VI: Nursing Management01:22

Acute Kidney Injury VI: Nursing Management

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Acute Kidney Injury (AKI) results in an inability to maintain fluid, electrolyte, and acid-base balance. Effective nursing management is critical in improving patient outcomes and includes comprehensive patient assessment and targeted interventions.Comprehensive Patient AssessmentA detailed history collection is essential, focusing on any recent infections, nephrotoxic medication use, or chronic conditions such as hypertension and diabetes that may contribute to AKI. During the physical...
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Chronic Kidney Disease II: Clinical Manifestations01:24

Chronic Kidney Disease II: Clinical Manifestations

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Chronic Kidney Disease (CKD) progressively impairs multiple body systems due to the accumulation of uremic toxins, which disrupt cellular functions across various organs.Neurologic symptomsNeurologic symptoms often arise early in CKD, as uremic toxin buildup drives changes in cognitive and motor functions. Patients frequently experience fatigue, headache, confusion, difficulty concentrating, and, in severe cases, seizures. Peripheral neuropathy commonly manifests as burning sensations in the...
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Acute Kidney Injury III: Clinical Manifestations01:29

Acute Kidney Injury III: Clinical Manifestations

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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

Acute Kidney Injury I: Introduction

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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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Antihypertensive Drugs: Potassium-Sparing Diuretics01:28

Antihypertensive Drugs: Potassium-Sparing Diuretics

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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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Related Experiment Video

Updated: Apr 15, 2026

5/6 Nephrectomy Using Sharp Bipolectomy Via Midline Laparotomy in Rats
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5/6 Nephrectomy Using Sharp Bipolectomy Via Midline Laparotomy in Rats

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Severe hyperkalaemia: demographics and outcome.

B M Phillips1, S Milner1, S Zouwail2

  • 1Insititute of Nephrology , Cardiff University School of Medicine , Cardiff , UK.

Clinical Kidney Journal
|April 9, 2015
PubMed
Summary

Severe hyperkalaemia, a condition of high potassium levels, affects 0.11% of patients, predominantly those with chronic kidney disease (CKD) or acute kidney injury (AKI). Educational initiatives are needed as junior doctors show knowledge gaps regarding its causes and management.

Keywords:
AKICKDhyperkalaemiapotassium

Related Experiment Videos

Last Updated: Apr 15, 2026

5/6 Nephrectomy Using Sharp Bipolectomy Via Midline Laparotomy in Rats
05:34

5/6 Nephrectomy Using Sharp Bipolectomy Via Midline Laparotomy in Rats

Published on: April 4, 2025

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Area of Science:

  • Nephrology
  • Internal Medicine
  • Biochemistry

Background:

  • Limited data exists on severe hyperkalaemia prevalence in general patient populations.
  • This study aimed to determine prevalence, patient characteristics, and outcomes of severe hyperkalaemia.
  • Junior doctor knowledge on severe hyperkalaemia was also assessed.

Purpose of the Study:

  • To determine the prevalence of severe hyperkalaemia (K≥ 6.5 mmol/L) in an unselected patient population.
  • To describe patient demographics, clinical management, and outcomes associated with severe hyperkalaemia.
  • To evaluate the understanding of trainee doctors regarding severe hyperkalaemia.

Main Methods:

  • Retrospective analysis of biochemical laboratory data for severe hyperkalaemia episodes in 2011.
  • Patient data including demographics, comorbidities (CKD stages, AKI), and nephrology care were reviewed.
  • A structured questionnaire assessed trainee doctors' knowledge of severe hyperkalaemia.

Main Results:

  • Severe hyperkalaemia occurred in 0.11% of patients (433 samples, 365 patients).
  • Episodes were more common in patients with chronic kidney disease (CKD) and/or acute kidney injury (AKI), often not under nephrology care.
  • Higher acute mortality was observed in the non-nephrology cohort, and trainee doctors demonstrated knowledge deficiencies.

Conclusions:

  • Severe hyperkalaemia is uncommon, primarily affecting patients with CKD and/or AKI.
  • A significant proportion of severe hyperkalaemia cases occur in patients not managed by nephrologists.
  • Variability in care and knowledge gaps among junior doctors necessitate educational interventions.