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Related Concept Videos

Dialysis01:15

Dialysis

Dialysis is a diffusion-based purification process that separates analyte molecules from a complex matrix. This is accomplished by allowing molecules in the solution to pass through a semipermeable membrane into a liquid on the other side. The membrane is usually made of cellulose acetate or cellulose nitrate, and the second liquid must be miscible with the solution. Ions (e.g., chloride or sodium) or organic molecules (e.g., glucose) can pass through the membrane pores, which generally have...
Dialysis01:27

Dialysis

Renal failure occurs when the kidneys lose their ability to filter waste products from the blood effectively. It can be classified into two types: acute renal failure (ARF) and chronic renal failure (CRF).
Acute kidney injury develops suddenly and can be caused by pre-renal causes (e.g., hypovolemia, shock), intrinsic renal causes (e.g., acute tubular necrosis), or post-renal causes (e.g., urinary obstruction). In contrast, chronic renal failure progresses gradually over time and is often...
Hemodialysis II: Procedure and Complications01:24

Hemodialysis II: Procedure and Complications

DialyzersA hemodialysis (HD) dialyzer is a plastic cartridge containing thousands of parallel hollow fibers, which serve as semipermeable membranes. These fibers are typically made from cellulose-based or other synthetic materials. During HD, blood is pumped into the top of the cartridge and distributed among these fibers. Simultaneously, dialysis fluid, known as dialysate, is introduced into the bottom of the cartridge, bathing the outside of the fibers. Across the semipermeable membrane,...
Hemodialysis I: Introduction01:25

Hemodialysis I: Introduction

Hemodialysis (HD) is a medical treatment that artificially removes waste products, excess fluids, and toxins from the blood when the kidneys are no longer able to perform these functions effectively. In this process, blood is filtered through a semipermeable membrane, allowing for the selective removal of waste while preserving necessary components like blood cells and proteins. Hemodialysis is typically performed in patients with end-stage renal disease (ESRD) or severe kidney...
Extracorporeal Removal of Drugs: Peritoneal Dialysis and Hemodialysis01:30

Extracorporeal Removal of Drugs: Peritoneal Dialysis and Hemodialysis

Patients with end-stage renal disease (ESRD) or those experiencing drug overdose often require extracorporeal methods to eliminate accumulated drugs and metabolites. Hemoperfusion, hemofiltration, and dialysis are the primary techniques to rapidly remove harmful substances without disrupting the patient's fluid and electrolyte balance. For those with compromised renal function, dosage adjustments of concurrent medications may be necessary during extracorporeal drug removal.Dialysis is a process...
Acute Kidney Injury V: Interprofessional Care01:20

Acute Kidney Injury V: Interprofessional Care

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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Related Experiment Video

Updated: Jul 4, 2026

Use of Enzymatic Biosensors to Quantify Endogenous ATP or H2O2 in the Kidney
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Use of Enzymatic Biosensors to Quantify Endogenous ATP or H2O2 in the Kidney

Published on: October 12, 2015

[The technological progress in haemodialysis: potassium profiling].

Petar Kes1, Sanjin Racki, Nikolina Basić-Jukić

  • 1Zavod za dijalizu, Klinicki bolnicki centar Zagreb, Hrvatska. kespetar@net.hr

Acta Medica Croatica : Casopis Hravatske Akademije Medicinskih Znanosti
|June 27, 2008
PubMed
Summary

End-stage renal disease patients undergoing hemodialysis face cardiovascular risks due to rapid fluid and electrolyte shifts. Slowing potassium reduction during dialysis significantly lowers cardiac arrhythmias and improves stability.

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Custom-made Microdialysis Probe Design
05:38

Custom-made Microdialysis Probe Design

Published on: July 21, 2015

Related Experiment Videos

Last Updated: Jul 4, 2026

Use of Enzymatic Biosensors to Quantify Endogenous ATP or H2O2 in the Kidney
10:00

Use of Enzymatic Biosensors to Quantify Endogenous ATP or H2O2 in the Kidney

Published on: October 12, 2015

Custom-made Microdialysis Probe Design
05:38

Custom-made Microdialysis Probe Design

Published on: July 21, 2015

Area of Science:

  • Nephrology
  • Cardiology
  • Internal Medicine

Context:

  • End-stage renal disease (ESRD) patients frequently have multiple co-existing conditions, particularly cardiovascular complications.
  • Hemodialysis can induce rapid changes in blood volume, osmolality, and electrolytes, leading to hemodynamic instability, hypotension, and cardiac arrhythmias.
  • Elderly patients and those with atherosclerosis, diabetes mellitus, and severe anemia are particularly susceptible to these complications.

Purpose:

  • To highlight the cardiovascular risks associated with hemodialysis in ESRD patients.
  • To identify factors increasing patient vulnerability to dialysis-induced complications.
  • To discuss the benefits of contemporary dialysis techniques in mitigating cardiac events.

Summary:

  • Hemodialysis-induced rapid shifts in fluid and electrolytes can cause dangerous hemodynamic instability and cardiac arrhythmias in ESRD patients.
  • Serum potassium levels decreasing too rapidly during treatment pose a risk of fatal arrhythmias.
  • Modern dialysis technology allows for slower potassium level reduction, decreasing arrhythmia incidence and enhancing cardiovascular stability.

Impact:

  • Implementing slower potassium reduction strategies during hemodialysis can improve patient safety.
  • Enhanced cardiovascular stability in ESRD patients undergoing dialysis.
  • Reduced incidence of potentially fatal cardiac arrhythmias in vulnerable patient populations.