IDEXX Total T4 Testing Guide

IDEXX Total T4 Testing Guide

Canine Hypothyroidism

Dynamic range 

0.5–10.0 µg/dL
(6.4–128.7 nmol/L)

Catalyst Total T4 Mhinduro

Low <1. 0 µg/dL (<13.0 nmol/L)
Low Norma 1.0–2.0 µg/dL (13.0–26.0 nmol/L)
Normal 1.0–4.0 µg/dL (13.0–51.0 nmol/L)
High >4.0 µg/dL (>51.0 nmol/L)
Therapeutic 2.1–5.4 µg/dL (27.0–69.0 nmol/L)

Canine kuongorora 

  • Imbwa dzine T4 yakaderera (T4) uye humbowo hwehurwere hwenonthyroidal (NTI) dzinofanirwa kuve neNTI yagadziriswa.
  • Imbwa dzine T4 inoguma mune yakaderera yakajairika mhando inogona kunge iri hypothyroid.

Muimbwa dzine yakaderera kana yakaderera zvakajairika T4 mhedzisiro uye inoenderana zviratidzo zvekiriniki, funga chimwe kana zvimwe zvezvinotevera kubatsira mukusimbisa hypothyroidism:

  • T4 Yemahara (fT4)
  • Endogenous thyroid-stimulating hormone (TSH)
  • Zvinogoneka thyroglobulin autoantibodies (TgAA)

Hypothyroidism therapeutic monitoring 

Kune imbwa dziri pathyroid yekuwedzera, inogamuchirwa 4-6-awa mushure mepiritsi T4 tsika dzinowanzowira kumucheto wepamusoro wenguva yereferensi kana zvishoma pamusoro.

AlgorithmAlgorithm

CBC = Kuzara kweropa
Cherechedza: 1 µg/dL yakaenzana ne12.87 nmol/L. Mhedzisiro inowira mukati meiyo yakaderera yakajairika chiyero cheassay inofanira kutorwa seyakajeka

Feline Hyperthyroidism Dynamic range
0.5–20.0 µg/dL
(6.4–257.4 nmol/L)

Catalyst Total T4 Mhinduro

Subnormal <0.8µg/dL (<10.0 nmol/L)
Normal 0.8–4.7 µg/dL (10.0–60.0 nmol/L
Grey zone mune yekare kana chiratidzo chekitsi 2.3–4.7 µg/dL (30.0–60.0 nmol/L)
Zvinoenderana ne hyperthyroidism >4.7 7 µg/dL (>60.0 nmol/L)

Feline kuongorora 

Katsi dzine zviratidzo zvekiriniki dzinoenderana uye huwandu hweT4 (T4) hutsika mumuganhu wepamusoro (grey zone) inogona kuva nekutanga hyperthyroidism pamwe nechirwere chechirwere chetachiona (NTI). Muzviitiko izvi, funga zvinotevera kuti zvibatsire mukusimbisa chirwere ichi:

  • T4 Yemahara (fT4)
  • T3 kudzvinyirira bvunzo
  • Radionuclide thyroid mifananidzo

Hyperthyroidism therapeutic monitoring 

Kutevera kurapwa nemethimazole (kana yakafanana), T4 tsika dzinowanzowira mukati mechikamu chepasi kusvika chepakati chenguva yereferensi.

Algorithm

Algorithm

Kana kufungidzira kwakasimba kwe hyperthyroidism kuchiripo, funga kudzokorora mumavhiki e4-6 kana technetium scan.
CBC = Kuzara kweropa
Cherechedza: 1 µg/dL yakaenzana ne12.87 nmol/L. Mhedzisiro inowira mukati meiyo grey zone yeassay inofanirwa kutorwa seyakajeka.

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IDEXX Total T4 Testing Guide [pdf] Bhuku reMushandisi
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References

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