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How are T3 T4 and TSH related?
TSH is the hormone produced by the pituitary gland that tells the thyroid to produce the thyroid hormones T4 and T3.
Iodine is essential for the synthesis of what hormones?
TSH (thyroid stimulation hormone) Iodine is necessary for the thyroid gland to make thyroxin hormone. ( T3 and T4)
What tests are needed to diagnose hypothyroidism besides tsh?
In addition to the test for TSH, the value of which is questioned by some, T3, T4, and Free T3 and Free T4 are often used to help diagnose hypothyroidism. A Reverse T3/Free T3 Ratio is also used by some doctors.
Is free T3 a fasting test?
no
Can you not have hypothyroidism even though you have a high TSH level?
Hi, TSH is the hormone that stimulates the thyroid to release more T3/ T4 hormones (one is converted to the other). If T3 and T4 hormones get low, more TSH will be produced and the thyroid will release more T3/T4. So TSH can be high in response to a short-term dip in T3/T4 levels which can be caused by medicine or as the body's response to a virus or infection. www.about.com has some very good information about thyroid issues.
The release of T3 and T4 from thyroid as a result of changes in level of TSH in blood is an example of what kind of stimuli?
This is an example of hormonal stimuli, where one hormone (TSH) triggers the release of another hormone (T3 and T4) in response to changing levels in the blood.
What do the hormone TSH produced by the pituitary serves to do what?
TSH stands for thyroid stimulating hormone and it signals the release of the thyroid hormones, T3 and thyroxine.
What condition results in low TSH levels and increased T3 and T4 levels?
Hyperthyroidism would be a condition in which T3 and T4 are at increased levels.
What gland synthesizes T3 and T4 hormones?
The hormone that regulates the synthesis and secretion of T3 (Triiodothyronine) and T4 (Thyroxine) by the thyroid gland is thyroid stimulating hormone (TSH) that is produced and secreted by the anterior pituitary gland, also known as the adenohypophysis.
What is t3 and t4?
t3 is tjnrk;sjdfnhdsf and t4 is ttkjdsbgf;jdbfvgk;jdfbg;a
What should be done if TSH is lowT4 and T3 within the range?
If TSH is low, this means hypothyroidism may be a possibility. But, since T4 and T3 are within range, nothing needs to be done except watch it and have blood tests done regularly.
Can ihave low tsh and low t3 at the same time?
Yes, that indicates a pituitary problem.
