Felis ISSN 2398-2950

T3 suppression test

Contributor(s): Carmel Mooney, Mark Peterson

Overview

  • Oral administration of triodothyronine [T3] feedbacks on hypothalamic-thyroid axis to reduce production of thyroxine.

Sampling

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Tests

Methodologies

  • Radioimmunoassay.

Availability

  • Most commercial laboratories.

Technique (intrinsic) limitations

  • Test takes 3 days to complete.

Technician (extrinsic) limitations

  • Tablets are normally administered by owner and must be given regularly.
  • [T3] should rise following treatment.
    Monitoring pre-and post- [T3] allows assessment of owner compliance with treatment.

Result Data

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Further Reading

Publications

Refereed papers

  • Recent references from VetMed Resource and PubMed.
  • Paterson M E, Graves T K & Gamble D A (1990) Trilodothyionine T3 suppression test - and in the diagnosis of mild hyperthyroidism in cats. J VIM4, 233-238.


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