Reverse triiodothyronine Products

Information

The biologically active metabolite reverse triiodothyronine (rT3) is created during impaired conversion of tetraiodothyronine (T4) to triiodothyronine (T3).

Diagnostic Guidelines

Low T3 syndrome (euthyroid sick syndrome, non-thyroidal illness) is characterised by a disturbed homeostasis of thyroid hormones. This results in an accumulation of the inactive metabolite rT3, a normal to low TSH level, a low FT3 level and, with a long disease duration, a low FT4 level. The determination of rT3 can be useful to differentiate between patients with central hypothyroidism and patients with low T3 syndrome.

For Research Use Only. Not For Use In Diagnostic Procedures.
The individual product regulatory statements may vary, please refer to the instructions for use for more information.

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