ISSN 2398-2977      

Blood: biochemistry - calcium

pequis

Synonym(s): Ca


Overview

  • Major constituent of bones and teeth.
  • Physiologic functions include nerve transmission and blood clotting.
  • Regulated by parathyroid hormone, calcitonin and vitamin D.
  • Comprises three fractions: ionzed (50%, biologically active), protein bound (40%) and chelated to anions (10%). Most commonly measured as total calcium. Special methods needed for ionized calcium measurement.

Sampling

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Tests

Methodologies

  • Measured as total calcium.

Availability

  • Routine test, widely available.

Technique (intrinsic) limitations

  • Test results only significant in conjunction with other laboratory results and clinical findings.

Result Data

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Further Reading

Publications

Refereed papers

Other sources of information

  • Kaneko J J, Harvey J W & Bruss M L (1997) Eds. Clinical Biochemistry of Domestic Animals. 5th edn. Academic Press, USA.
  • Ferger C K (1998) Disorders of Calcium Metabolism. In: Equine Internal Medicine. Eds: S M Reed & W M Bayly. W B Saunders, USA. pp 925-934.

Organisation(s)

  • Veterinary commercial laboratories, State diagnostic laboratories or Veterinary College laboratories.

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