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Blood test résults
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Ted Huston
May 23, 2000, 3:00:00 AM5/23/00
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DG wrote:
> I have my second blood test after a thyroidectomy two months ago and I
> don't understand how T4 could be good 14.4 (normal range beetween 11 and
> 22) and Tsh very high 45.9 (normal range 0.1-3.5).
> I'm taking 150 ľg thyroxin every day and an appointement with my endo si
> scheduled on 24th but I would like to understand as soon as possible.
> I have my second blood test after a thyroidectomy two months ago and I
> don't understand how T4 could be good 14.4 (normal range beetween 11 and
> 22) and Tsh very high 45.9 (normal range 0.1-3.5).
> I'm taking 150 ľg thyroxin every day and an appointement with my endo si
> scheduled on 24th but I would like to understand as soon as possible.
TSH is a pituitary hormone and often acts as an early warning signal.
Your T4 is a free-T4, by the way, not a total-T4 measurement. Your body
is working valiantly to keep levels of free-T4 as constant as it can,
so that is also often the last thing to drop out of range. A good
starting point might be to look for the "Welcome & Reading" posts;
there are lots of links to websites, esp the thyroid.about.com site.
--
Ted Huston dr...@umich.edu
In the 60's people dropped acid to make the world weird.
Now the world is weird and people take Prozac to make it normal.
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