Free Thyroxine Index Low. Your results may be described as free t4 or free thyroxine index (fti). Part of the thyroxine produced becomes chained to proteins, and it no longer performs its necessary functions.
Laboratory Tests For Evaluation Of Thyroid Disorders Maryam from slidetodoc.com
The free t4 test measures the tiny amount of circulating t4 that is. Also low bun/creatine ratio (7). The free thyroid hormones are in equilibrium with the hormones bound to the carrier proteins.
This work includes metabolizing fat, protein, and.
Free thyroxine (free t4) optimal range: Three had a high free thyroxine index and a normal thyrotropin level (group 2); Fti = thyroxine (t4)/thyroid binding capacity. Tsh low, t4 total low, free t4 low, t3 total low, free thyroxine index low, trh stimulation test = tsh still low
