Medically reviewed by Kelly Wood, MDKey TakeawaysThyroid 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 ...
A 75-year-old woman with end-stage renal disease who is on chronic hemodialysis has a suppressed thyroid-stimulating hormone (TSH) of 0.1 µU/mL and levels of free thyroxine (T4) and free ...