Free T4 test

Gullo: LT4 monotherapy and thyroid loss invert FT3 and FT4 per unit of TSH

In 2011, Gullo’s research team published a landmark study in thyroid therapy titled “Levothyroxine Monotherapy Cannot Guarantee Euthyroidism in All Athyreotic Patients.” Gullo and colleagues examined the TSH, FT3 and FT4 levels and the FT3:FT4 ratios of 1,811 thyroidless patients… Read More ›

MEMES: Against Table 2 in the “Choosing Wisely Canada” T3 & T4 toolkit

The “Choosing Wisely Canada” toolkit promoting limitation of Free T3 and Free T4 testing has been the food for some meme refutations. Choosing Wisely Canada. (n.d.). Toolkit: Less is More with T3 & T4. Retrieved December 30, 2018, from https://choosingwiselycanada.org/perspective/toolkit-t4-t3/… Read More ›

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