High TSH levels could be a sign of hypothyroidism while low TSH levels may signal hyperthyroidism. Thyroid disorders, which affect about 20 million Americans, can be diagnosed with a TSH test ...

If your TSH level is higher than 5.0 mU/L it suggests an underactive thyroid, or hypothyroidism, since TSH regulates hormone production. If results show a low TSH level (below 0.5 mU/L ...

Subclinical hyperthyroidism is defined as serum thyroid hormone levels within their respective ... the degree of thyroid-stimulating hormone suppression and the presence of comorbidities.

As shown in figure 2, TSH is slow to re-equilibrate to a new thyroxine level. Patients with chronic, severe hypothyroidism may develop pituitary thyrotroph hyperplasia which can mimic a pituitary ...

Standard tests for hypothyroidism do not usually measure testosterone levels. Instead, they measure thyroid-stimulating hormone (TSH) and thyroxine (T4). High TSH and low T4 are common indicators ...

To investigate the influence of subclinical hyperthyroidism on pregnancy outcomes, Casey et al. used a CHEMILUMINESCENT ASSAY to measure TSH levels in women who delivered a single infant weighing ...