Thyroid normal value

Triiodothyronine, or T3, is an important thyroid hormone that helps maintain muscle control, brain function and development, heart and digestive functions. A T3 blood test can help a doctor diagnose thyroid conditions. High or low T3 levels may indicate an overactive or underactive thyroid. According to the In this article, we will discuss what T3 is, the normal range for T3 levels, and what the results mean. Share on Pinterest Abnormal levels of T3, which is produced in the thyroid, may signal hyperthyroidism. The thyroid is a small gland in the neck that produces hormones that regulate how the body stores and uses energy. The Together with T4, T3 is responsible for Bound T3 This form of T3 is the most abundant. Bound T3 is attached to proteins that help circulate the hormone around the body. Free T3 This type of T3 is not bound to proteins, and it moves freely around the body. It is less abundant than bound T3 but is the active form of the hormone. A doctor may recommend a T3 test for anyone who has the symptoms of a thyroid condition. Thyroid conditions can cause a wide variety of symptoms, • sweating • tremors • sensitivity to heat or cold • • irritability • mood swings • unexplained weight loss • difficulty sleeping • bulging or irritated eyes • • irregular or slower heartbeat • shortness of breath • high blood sugar • increased frequency of urination A doctor may also recommend the test for people who have a higher risk of thyroid disease. These people include those ...