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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 hormone replacement therapy.
Short overview of thyroid homeostasis. [1]The hypothalamic–pituitary–thyroid axis (HPT axis for short, a.k.a. thyroid homeostasis or thyrotropic feedback control) is part of the neuroendocrine system responsible for the regulation of metabolism and also responds to stress.
The TRH test involves administration of a small amount of TRH intravenously, [1] following which levels of TSH will be measured at several subsequent time points using samples of blood taken from a peripheral vein.
After long-term heavy strain, levels of thyroid hormones decrease. [2] This is exacerbated by other stressors such as undernutrition and lack of sleep, such as in a military training setting. During endurance exercise, before exhaustion, elevated thyroid hormone levels may happen due to increased expected energy demand (type 2 allostatic load). [2]
The Hypothalamus-Pituitary Complex. Hypothalamic–pituitary hormones are hormones that are produced by the hypothalamus and pituitary gland.Although the organs in which they are produced are relatively small, the effects of these hormones cascade throughout the body.
22095 Ensembl ENSG00000165409 ENSMUSG00000020963 UniProt P16473 P47750 RefSeq (mRNA) NM_000369 NM_001018036 NM_001142626 NM_001113404 NM_011648 RefSeq (protein) NP_000360 NP_001018046 NP_001136098 NP_001106875 NP_035778 Location (UCSC) Chr 14: 80.95 – 81.15 Mb Chr 12: 91.35 – 91.52 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse The thyrotropin receptor (or TSH receptor) is a ...
A basic metabolic panel including calcium is sometimes colloquially referred to as a "CHEM-8". Calcium, as an alkaline earth metal, is also an electrolyte, but abnormalities are more commonly associated with malnutrition, osteoporosis, or malignancy, especially of the thyroid. [citation needed]
A combined rapid anterior pituitary evaluation panel or triple bolus test or a dynamic pituitary function test is a medical diagnostic procedure used to assess a patient's pituitary function. A triple bolus test is usually ordered and interpreted by endocrinologists .