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What signifigance is a low t3?

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Old 04-26-2006, 01:19 PM   #1
Join Date: Apr 2006
Location: Victorville, Ca USA
Posts: 356
What signifigance is a low t3?

Hi guys I don't have the lab parameters but the tsh is 3.0 and the t3 is 20.3. I read it should be between 85 and 220?????? My main question is what signifigance does the t3 being low have on the whole thyroid panel. TPO 70.8????????
That is all I have today I will pick up the lab slip next week.

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Old 04-26-2006, 01:26 PM   #2
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Join Date: Dec 2005
Location: Overland Park, Kansas
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illmakeit HB User
Re: What signifigance is a low t3?

The range for T3 depends on the lab. I have been to 2 labs- different ranges. If it is low, then not as much Free T3 can be produced - and Free T3 is what makes you feel ok if there is just the right amount. Not enough? - then you are hypo - too much and you are hyper. I think this is right - but the others will probably jump in here and help me out.

Your TSH, of course, is at the top of the range. It's calling out for more T4 and T3 to be made by your thyroid. If it were really low, it would be saying there is plenty.

TPO I know nothing about, sorry!
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Last edited by illmakeit; 04-26-2006 at 01:27 PM.

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