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Related Experiment Videos

[Delayed effects of calcium]

H J Hapke1, M Dubowy, I Frank

  • 1Institut für Pharmakologie, Toxikologie und Pharmazie der Tierärztlichen Hochschule Hannover.

DTW. Deutsche Tierarztliche Wochenschrift
|May 1, 1994
PubMed
Summary
This summary is machine-generated.

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Calcium chloride infusion causes delayed skeletal muscle damage (myopathia) in animals, even when serum calcium levels normalize. This toxic normocalcemic effect is dose-dependent and can be exacerbated by further calcium administration.

Area of Science:

  • Veterinary Medicine
  • Toxicology
  • Biochemistry

Context:

  • Extracardial effects of calcium chloride infusions were studied in cattle, sheep, and rabbits.
  • Acute hypercalcemia-related cardiac effects and delayed metabolic disturbances were observed.

Purpose:

  • To analyze the extracardial effects of calcium chloride infusion over one week.
  • To investigate the dose-dependent relationship between calcium and delayed myopathia.
  • To characterize the toxic normocalcemic effect of calcium.

Summary:

  • Calcium chloride infusion led to peracute cardiac effects and delayed skeletal muscle damage (myopathia) in test animals.
  • Increased serum creatin-kinase activity indicated dose-dependent, delayed calcium toxicity.
  • The observed toxic normocalcemic (post-hypercalcemic) effect occurred when serum calcium levels returned to normal.

Related Experiment Videos

  • Additional calcium doses within 72 hours intensified toxic effects.

    • Impact:

    • Highlights the potential for delayed myotoxicity following calcium administration in animals.
    • Provides insights into calcium's complex metabolic effects beyond immediate hypercalcemia.
    • Informs veterinary practices regarding safe calcium administration protocols and monitoring.
    • Suggests a need for careful dosage and timing of calcium treatments to avoid adverse outcomes.