Thyroid blood tests help figure out how well your thyroid gland is working. TSH helps the thyroid gland know when to make more thyroid hormones. Free T4 is the type of hormone that becomes active when ...
To assess thyroid function, clinicians typically determine blood levels of thyroid-stimulating hormone (TSH) and thyroxine (T4) and do not directly measure triiodothyronine (T3). However, findings ...
CHICAGO — Levothyroxine (LT4) monotherapy remains the standard treatment for hypothyroidism, although a subset of patients continue to have hypothyroidism despite normal thyroid-stimulating hormone ...