Interpretation of thyroid function tests and their relationship to iodine nutrition: changes in TSH, free T4, and free T3 resulting from iodine deficiency and iodine excess. In: Preedy VR, Burrow GN, Watson RR, editors. Comprehensive handbook of iodine: nutritional, biochemical, pathological and ...
Tsai:Our primary care colleagues can do a workup and interpretation of thyroid function tests in most cases. In the situations where the thyroid function test results are discordant (ie, elevated TSH and elevated free T4 levels or low TSH and low free T4 levels) or difficult to interpret, i...
TSH levels decline rapidly during the first week of life in most children, but may remain transiently elevated in a few individuals despite normal free T4 levels. For proper interpretation of an abnormal TSH from a newborn thyroid screen, a Free T4 by Dialysis (test code 35167) or Tot...
You can also book a TSH test at your nearest pharmacy or order an at-home test kit, but the interpretation of results should be done in consultation with a healthcare professional. Related Tests T3 (Free and Total), Thyroid Panel Thyroid Antibodies, Thyroid-stimulating Hormone (TSH), T3 (...
TSH levels in the presence of hypothyroidism have been reported with head injury.5Iopanoic acid, ipodate, and an antiarrhythmic drug, amiodarone, cause changes in thyroid test results including increases in T4, free T4, and TSH and decreases of T3.6TSH is not elevated in secondary ...
This is a brief summary of lab value interpretation and is not intended in any way to be comprehensive or replace any conversation of your results with your doctor. THYROID LAB VALUES A TSH (Thyroid Stimulating Hormoone) Test is performed to assess the activity of the thyroid gland. It inv...
However, the interpretation of any given thyroglobulin value always requires the careful synthesis of all clinical and laboratory data available to the clinician. In conclusion, the experimental advances in mol- ecular medicine based on recombinant protein engi- neering and on the improvement of ...
Y.W. contributed to the study design, data analysis and interpretation; drafted part of the manuscript; and prepared the tables and figures. Y.P. participated in collecting and analyzing the data and drafting part of the manuscript. F.W. revised the manuscript. D.X. searched the related pap...
Intra-and interindividual biological variation of five analytes used in assessing thyroid function: implications for necessary standards of performance and the interpretation of results. Clin Chem 1986;32:962-6. Lum SM and Nicoloff JT. Peripheral tissue mechanism for maintenance of serum triiodothyronine...
People who are taking thyroid medication will not take up as much iodine because their thyroid gland is not functioning. At other times the gland will concentrate iodine normally but will be unable to convert the iodine into thyroid hormone; therefore, interpretation of the iodine uptake is usuall...