What is Hypothyroidism
Hypothyroidism is the disease state caused by insufficient production of thyrohormone by the thyroid gland. There are several distinct causes for chronic hypothyroidism, the most c...
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Going in for testing - Help
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New to the group - new to this issue.
Started snooping around the net looking for help with several issues I have been having a good portion of my life....and realized that I might have a Thyroid problem. Then found out from my mom that her mother had a tumor on her thyroid (ended up having hers removed) and now my mom has been told that her's is having issues. I'm going in for testing on Wednesday. Is there any advice anyone can share? Do I need to fast? I'm also having to use a completely new doctor's office for this....and I'm going thru the Nurse Practitioner for the actual tests....can anyone give me a list that is the most useful (test wise)? Someone told me that if you have a under-active thyroid, that most doctors don't even acknowledge them.....what then? Posted on 11/02/09, 04:11 pm |
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jseward---Not sure where you got the info about he adrenal glands secreting TSH, that is incorrect though. THS is the number coming from the pituitary gland telling the thyroid gland to produce more hormone. Levo is never going to work if your thyroid is diseased and cannot convert the only hormone T4 in Levo to the active T3 the body needs---use Armour Thyroid. 
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Yes, the PITUITARY GLAND secretes TSH.
The level of thyroid hormones (T3 and T4) in the blood have an effect on the pituitary release of TSH; when the levels of T3 and T4 are low, the production of TSH is increased, and conversely, when levels of T3 and T4 are high, then TSH production is decreased. This effect creates a regulatory negative feedback loop. (From Wikipedia , see link for a pretty detailed explanation http://en.wikipedia.org/wiki/Thyro...) Also the levels of TSH you should be striving for are between 1 and 3, the closer to 1 the better. Old "normal" levels go as high as 5.5 but most people without hypothyroidism have TSH levels between 1 and 3.
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Test results came back "normal" per the nurse, but after reading my result totals, I've sent the findings along to another doctor.
I'm leaning towards Hyperthyroidism though.....just from my amateur assessment after reading several sites about how to interpret the levels. It's interesting though, most of the sites I looked at say similar things about the signs or symptoms of Hypo vs Hyper....and I would assume that it's basically just an indicator that something is unbalanced about your thyroid...and needs to be corrected. Anyways....I'm still waiting for word from the other doc....wish me luck.
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