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2. Hypothyroidism - Wikipedia

   en.wikipedia.org/wiki/Hypothyroidism

   In overt primary hypothyroidism, TSH levels are high and T 4 and T 3 levels are low. Overt hypothyroidism may also be diagnosed in those who have a TSH on multiple occasions of greater than 5mIU/L, appropriate symptoms, and only a borderline low T 4. [47] It may also be diagnosed in those with a TSH of greater than 10mIU/L. [47]

3. Hashimoto's thyroiditis - Wikipedia

   en.wikipedia.org/wiki/Hashimoto's_thyroiditis

   A tablet taken once a day generally keeps the thyroid hormone levels normal. In most cases, the treatment needs to be taken for the rest of the person's life. If hypothyroidism is caused by Hashimoto's thyroiditis, the TSH levels may be recommended to be kept under 3.0 mIU/l. [59]

4. Thyroid-stimulating hormone - Wikipedia

   en.wikipedia.org/wiki/Thyroid-stimulating_hormone

   Domains. InterPro. Thyroid-stimulating hormone (also known as thyrotropin, thyrotropic hormone, or abbreviated TSH) is a pituitary hormone that stimulates the thyroid gland to produce thyroxine (T 4), and then triiodothyronine (T 3) which stimulates the metabolism of almost every tissue in the body. [ 1 ] It is a glycoprotein hormone produced ...

5. Thyroid disease - Wikipedia

   en.wikipedia.org/wiki/Thyroid_disease

   The most useful marker of thyroid gland function is serum thyroid-stimulating hormone (TSH) levels. TSH levels are determined by a classic negative feedback system in which high levels of T3 and T4 suppress the production of TSH, and low levels of T3 and T4 increase the production of TSH. TSH levels are thus often used by doctors as a screening ...

6. Hypothalamic–pituitary–thyroid axis - Wikipedia

   en.wikipedia.org/wiki/Hypothalamic–pituitary...

   The TSH, in turn, stimulates the thyroid to produce thyroid hormone until levels in the blood return to normal. Thyroid hormone exerts negative feedback control over the hypothalamus as well as anterior pituitary, thus controlling the release of both TRH from hypothalamus and TSH from anterior pituitary gland. [2]

7. Thyroid hormones - Wikipedia

   en.wikipedia.org/wiki/Thyroid_hormones

   Thyroid hormones are any hormones produced and released by the thyroid gland, namely triiodothyronine (T3) and thyroxine (T4). They are tyrosine -based hormones that are primarily responsible for regulation of metabolism. T 3 and T 4 are partially composed of iodine, derived from food. [2] A deficiency of iodine leads to decreased production of ...

8. Thyroid function tests - Wikipedia

   en.wikipedia.org/wiki/Thyroid_function_tests

   003444. [edit on Wikidata] Thyroid function tests (TFTs) is a collective term for blood tests used to check the function of the thyroid. [1] TFTs may be requested if a patient is thought to suffer from hyperthyroidism (overactive thyroid) or hypothyroidism (underactive thyroid), or to monitor the effectiveness of either thyroid-suppression or ...

9. Jostel's TSH index - Wikipedia

   en.wikipedia.org/wiki/Jostel's_TSH_index

   MeSH. D013960. Jostel's TSH index (TSHI or JTI), also referred to as Jostel's thyrotropin index or Thyroid Function index (TFI), is a method for estimating the thyrotropic (i.e. thyroid stimulating) function of the anterior pituitary lobe in a quantitative way. [1][2] The equation has been derived from the logarithmic standard model of thyroid ...