Related Experiment Video
Updated: Aug 10, 2026
07:42
Nerve Excitability Assessment in Chemotherapy-induced Neurotoxicity
Published on: April 26, 2012
Induced hypocalcaemia by Na2EDTA infusion. A review
R J Jørgensen1, N R Nyengaard, R C Daniel
1Clinical Department, Royal Veterinary and Agricultural University, Copenhagen, Denmark.
Zentralblatt Fur Veterinarmedizin. Reihe A
|October 21, 1999
Summary
Disodium ethylenediaminetetraacetate (Na2EDTA) infusions effectively model hypocalcemia in animals. Standardizing methods, like infusion rates, is crucial for consistent and comparable research findings in these studies.
Area of Science:
- Veterinary Medicine
- Biochemistry
- Animal Physiology
Background:
- Disodium ethylenediaminetetraacetate (Na2EDTA) has been utilized for over 35 years in animal studies.
- Primarily employed to induce hypocalcemia, serving as a model for milk fever in various species.
Purpose of the Study:
- To review existing studies utilizing Na2EDTA infusions in animals.
- To discuss the implications of Na2EDTA on blood calcium kinetics, toxicology, and physiological parameters.
Main Methods:
- Review of literature on Na2EDTA infusion studies in cows and other species.
- Analysis of effects on blood calcium, circulation, cardiac function, and smooth muscle motility.
- Discussion of factors influencing experimental outcomes, such as calcium analysis methods and infusion rates.
Main Results:
- Na2EDTA infusion is a validated model for spontaneous hypocalcemia.
- Variability in results can stem from differing blood calcium analysis techniques and EDTA infusion rates.
- A standardized infusion rate of 1.2 ml/kg/h of a 5% Na2EDTA solution is proposed for bovine studies.
Conclusions:
- Na2EDTA infusion provides a reliable model for studying hypocalcemia.
- Standardization of experimental conditions, including analytical methods and infusion parameters, is recommended for improved study comparability.
- The proposed standard infusion rate for cows enhances the reliability of Na2EDTA-induced hypocalcemia models.
Related Concept Videos
01:18Effects of EDTA on End-Point Detection Methods
Different methods, such as visual observance of metal-ion indicators, spectroscopic techniques, and potentiometric methods, can determine the endpoint of an EDTA titration.
In the visual method, metal-ion indicators (metallochromic dyes), which have distinct colors in their free and complex forms, are added to the mixture to signal the titration's end point. They form stable complexes with metal ions, but these complexes are weaker than the corresponding metal–EDTA complexes. As a result, EDTA...
In the visual method, metal-ion indicators (metallochromic dyes), which have distinct colors in their free and complex forms, are added to the mixture to signal the titration's end point. They form stable complexes with metal ions, but these complexes are weaker than the corresponding metal–EDTA complexes. As a result, EDTA...
01:23EDTA: Indirect and Alkalimetric Titration
Unlike direct titration, back-titration, and displacement titration, indirect titration is an EDTA titration method for quantifying anions. In the indirect titration method, anions are precipitated as their insoluble salts with excess metal ions. The filtrate containing the excess metal ions is directly titrated with standard EDTA until the endpoint is achieved. Another approach involves extracting the metal ion and back-titrating with standard EDTA to obtain the endpoint. In this way, the...
01:26Nephrotic Syndrome II : Assessment and Medical Management
IntroductionNephrotic syndrome is a kidney disorder marked by excessive protein loss in the urine, leading to various systemic complications. This condition often results from damage to the glomeruli—the kidney's filtering units—causing proteinuria, low blood protein levels, and fluid retention. Understanding the assessment, diagnosis, and management of nephrotic syndrome is essential for effective treatment and prevention of further kidney damage.AssessmentPatient History: Document any history...
01:27Urinary Tract Calculi IV: Nutrition Therapy and Prevention
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,...
01:30Acute Kidney Injury IV: Diagnostic Studies and Prevention
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...
01:20Acute 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...