Hyperthyroidism affects TSH levels, causing them to fall below expected ranges. Hyperthyroidism can occur when the thyroid gland in the neck produces too much thyroid hormones, including ...
Normal thyroid-stimulating hormone (TSH) levels generally fall between 0.5 and 5.0 milliunits per liter (mU/L). If your TSH level is higher than 5.0 mU/L it suggests an underactive thyroid, or ...
If you're like most primary care clinicians, your email inbox is flooded with messages from patients with questions about lab results. A common query: Should I be worried about an abnormal value on a ...
Primary hyperthyroidism occurs due to issues within the thyroid gland. Secondary hyperthyroidism is due to the pituitary gland overstimulating the thyroid. To diagnose the type of hyperthyroidism, ...
Earlier this fall, Medscape Medical News spoke to endocrinologists Angela M. Leung, MD, and Karen Tsai, MD, on how to interpret abnormal results of thyroid hormone tests. To address some additional ...