Just a quick question. I suppose it it embedded in me that doctors / specialists etc know everything there is to know and that to question them is just plain foolish.......but. My endo said to me that because my TSH was surpressed at 0.03, my T4 is in top 1/3 and my T3 was below range that my body didn't need anymore T3 hence it wasn't converting the T4. He said that conversion issues are nonsense. As some of you will know he gave me T3 and reduced T4 and after 8 weeks I had a test and my T4 was below range at 8 (10-19) and T3 just hitting bottom of range at 3.7 (3.6-6.5). TSH the same. My gp increased my T4 and I increased my T3 myself. Am already feeling better but still ocassional get a racing pulse in early 90's. I don't know what is normal anymore? He can't be right? Surely? I have read how low T3 levels are common in people with heart disease so surely FT3 and FT4 levels are more telling than TSH?
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