Thyroid Stimulating Hormone
What is Thyroid Stimulating Hormone (TSH) in terms of Nursing Labs?
Thyroid Stimulating Hormone (TSH) is released from the pituitary in response to low levels of thyroid hormone. TSH communicates to the thyroid gland to release the thyroid hormones: Triiodothyronine (T3) and Thyroxine (T4). Thyroid hormones regulate metabolism. T3 and T4 have and inverse relationship with TSH.
What are the Indications for Thyroid Stimulating Hormone?
- Monitor thyroid replacement therapy
What would cause increased levels of Thyroid Stimulating Hormone?
- Thyroid dysfunction
- Thyroid Agenesis
- Large doses of iodine
- Pituitary TSH-secreting tumor
What would cause decreased levels of Thyroid Stimulating Hormone?
- Pituitary hypofunction
Date Published - Aug 9, 2016
Date Modified - Jun 21, 2019