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Related Concept Videos

Hemodialysis III: Nursing Management01:25

Hemodialysis III: Nursing Management

The nursing management of a patient undergoing hemodialysis includes several critical steps, starting with a thorough assessment before the procedure.Before the Hemodialysis ProcedureFirst, record the patient's vital signs—blood pressure, heart rate, respiratory rate, and temperature—to establish a baseline. This baseline is essential for detecting conditions such as hypotension that could impact the patient's response to dialysis. Document the patient's pre-dialysis weight, as this measurement...
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Peritoneal dialysis, or PD, utilizes the peritoneal membrane as a filter to eliminate excess fluid and waste products. Effective nursing management is essential for ensuring patient safety, preventing complications, and promoting optimal function of the peritoneal dialysis process.Assessment and MonitoringNurses must thoroughly assess the patient before, during, and after each dialysis session. Regular monitoring includes vital signs, daily weight, fluid intake and output, and laboratory values...
Chronic Kidney Disease III: Interprofessional Care01:28

Chronic Kidney Disease III: Interprofessional Care

Chronic kidney disease (CKD) requires collaborative and comprehensive management. CKD progresses through stages and can lead to end-stage kidney disease (ESKD) if untreated. Interprofessional collaboration and patient education are crucial, enabling patients to manage their health and improve their quality of life.Diagnostic approach for chronic kidney diseaseThe diagnosis of CKD primarily focuses on the glomerular filtration rate (GFR), which assesses kidney function by measuring how well...
Roles of Electrolytes: Calcium and Phosphate01:27

Roles of Electrolytes: Calcium and Phosphate

Calcium and phosphate are essential electrolytes in the human body, with calcium being the most abundant mineral. Around 99% of the body's calcium is stored in the skeleton and teeth, forming a crystal lattice of mineral salts in combination with phosphates. Calcium plays crucial roles in various bodily functions such as blood clotting, neurotransmitter release, muscle tone maintenance, and nervous and muscle tissue excitability.
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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,...
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Related Experiment Video

Updated: Jun 4, 2026

Laboratory-determined Phosphorus Flux from Lake Sediments as a Measure of Internal Phosphorus Loading
10:49

Laboratory-determined Phosphorus Flux from Lake Sediments as a Measure of Internal Phosphorus Loading

Published on: March 6, 2014

Phosphorus dynamics during hemodialysis.

Carl M Kjellstrand1, Todd S Ing, Per T Kjellstrand

  • 1Hines VA/Loyola University Chicago, Chicago, Illinois, USA. carl.kjellstrand@gmail.com

Hemodialysis International. International Symposium on Home Hemodialysis
|March 1, 2011
PubMed
Summary
This summary is machine-generated.

Maintaining normal serum phosphorus levels without phosphate binders requires over 30 hours of hemodialysis weekly. Extended and more frequent dialysis sessions are crucial for efficient phosphorus removal, as standard Kt/V is inaccurate for this purpose.

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Optimized Procedure for Determining the Adsorption of Phosphonates onto Granular Ferric Hydroxide using a Miniaturized Phosphorus Determination Method
08:21

Optimized Procedure for Determining the Adsorption of Phosphonates onto Granular Ferric Hydroxide using a Miniaturized Phosphorus Determination Method

Published on: May 18, 2018

Related Experiment Videos

Last Updated: Jun 4, 2026

Laboratory-determined Phosphorus Flux from Lake Sediments as a Measure of Internal Phosphorus Loading
10:49

Laboratory-determined Phosphorus Flux from Lake Sediments as a Measure of Internal Phosphorus Loading

Published on: March 6, 2014

Optimized Procedure for Determining the Adsorption of Phosphonates onto Granular Ferric Hydroxide using a Miniaturized Phosphorus Determination Method
08:21

Optimized Procedure for Determining the Adsorption of Phosphonates onto Granular Ferric Hydroxide using a Miniaturized Phosphorus Determination Method

Published on: May 18, 2018

Area of Science:

  • Nephrology
  • Renal Physiology
  • Mineral Metabolism

Background:

  • Phosphorus (P) and urea dynamics are critical in hemodialysis patients.
  • Maintaining normal serum phosphorus levels is a significant clinical challenge.

Purpose of the Study:

  • To investigate phosphorus and urea dynamics during hemodialysis.
  • To identify optimal hemodialysis parameters for phosphorus removal.

Main Methods:

  • Analysis of 455 hemodialyses with varying frequencies, durations, and membrane types.
  • Measurement of predialysis and postdialysis serum P levels and dialysate P/urea.
  • Linear and multiple regression analyses of removal volumes (Vr), Kt/V, and predialysis concentrations.

Main Results:

  • Over 30 hours of weekly dialysis time is needed to maintain normal serum P without binders.
  • Phosphorus removal (Vr-P) depends on predialysis P levels and dialysis duration.
  • No relationship exists between urea removal (Vr-urea) and phosphorus removal (Vr-P).
  • Kt/V is an inaccurate measure for phosphorus removal.
  • Phosphorus removal is primarily dependent on dialysis frequency and duration; >38 h/wk recommended.

Conclusions:

  • Phosphorus dynamics during dialysis are highly variable.
  • Extended and frequent hemodialysis sessions are essential for efficient phosphorus removal.
  • Body P regulation involves release from large compartments during prolonged dialysis sessions.