Early diagnosis of hypothyroidism is important because people with untreated hypothyroidism have abnormal lipid levels that can lead to cardiovascular disease. (hormone.org)
Peterson ME, Melián C, Nichols R: Measurement of serum total thyroxine, total triiodothyronine, free thyroxine, and thyrotropin concentrations for diagnosis of hypothyroidism in dogs. (animalendocrine.com)
If blood tests are not aiding your veterinarian in reaching a confirmed diagnosis of hypothyroidism despite being suspicious of this endocrine disease, a trial of a thyroid hormone supplement may be suggested to see if your dog improves on this medication. (themeowingvet.com)