Guest guest Posted December 1, 2008 Report Share Posted December 1, 2008 Mo, You wrote: > ... I am > interested though in knowing how cortisol increases globulin? I think the main impact is a reduction in binding. Like thyroxine, cortisol is stored by binding with a globulin. In addition to the specific globulins, thyroxine and cortisol have a type a common. In other words, when there is more cortisol around, there is less globulin to tie up the T4/T3. > M: So RT3 is not an issue for me either as I am on T3 only and have > cleared out the T4 to cover this eventuality.... RT3 can be subtle. If you have any T4 production left, you could still have an RT3 problem. I would ask for an RT3 test, just to be sure. Chuck Quote Link to comment Share on other sites More sharing options...
Guest guest Posted December 3, 2008 Report Share Posted December 3, 2008 Mo, You wrote: > > I just checked Chuck and my recent TFT came in at: > TSH 0.01 > FT4 3.1 (11.0 - 24.0) > FT3 8.9 (3.9 - 6.8) > > You think I could have an RT3 issue with these levels? Can't tell. Since the FT4 is so low, I would be more inclined to suspect a binding issue. You need a complete panel after not taking the meds. Chuck Quote Link to comment Share on other sites More sharing options...
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