Known from:
- Values in Detail:
TSH
TSH (Thyroid-stimulating hormone) is produced in the pituitary gland and regulates the activity of the thyroid gland. It stimulates the thyroid to produce the hormones T3 and T4, which influence metabolism and many body functions.
High TSH levels usually indicate an underactive thyroid, as the body tries to boost hormone production. Low TSH levels, on the other hand, suggest an overactive thyroid.
High TSH levels usually indicate an underactive thyroid, as the body tries to boost hormone production. Low TSH levels, on the other hand, suggest an overactive thyroid.
fT3 (free triiodothyronine)
fT3 is the active form of the thyroid hormone that acts directly in the cells and regulates metabolism. It influences heart rate, energy consumption, digestion, and many other body functions. A large portion is produced by the conversion of the hormone T4 into T3 in the liver and kidneys.
Elevated fT3 levels usually indicate hyperthyroidism, while low levels may suggest hypothyroidism or a disturbance in the conversion of T4 to T3.
Elevated fT3 levels usually indicate hyperthyroidism, while low levels may suggest hypothyroidism or a disturbance in the conversion of T4 to T3.
fT4 (free thyroxine)
fT4 is the precursor of the active hormone T3 and is predominantly produced by the thyroid gland. It circulates in the blood and can be converted into T3 in the organs to stimulate metabolism.
High fT4 levels typically indicate hyperthyroidism. Low levels, on the other hand, suggest hypothyroidism.
High fT4 levels typically indicate hyperthyroidism. Low levels, on the other hand, suggest hypothyroidism.
TPO / MAK (Autoantibodies against Thyroid Peroxidase)
TPO or MAK antibodies target the enzyme thyroid peroxidase, which is needed in the thyroid gland for the production of thyroid hormones. If such antibodies are formed, the immune system attacks the thyroid gland – an indication of an autoimmune disease.
They most commonly occur in Hashimoto's thyroiditis or Graves' disease. A positive test thus indicates such an autoimmune reaction, even if the level of antibodies does not always directly correlate with the severity of the disease.
They most commonly occur in Hashimoto's thyroiditis or Graves' disease. A positive test thus indicates such an autoimmune reaction, even if the level of antibodies does not always directly correlate with the severity of the disease.
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