Profile of Thyroid Hormones II | Advanced Screening

SKU 267 Category Tag

Additional information

Response time (working day) | Time to results


Location of analysis | Where is performed



The thyroid gland is one of the most important organs of the human endocrine system. Under the influence of TSH (thyroid stimulating hormone) the gland produces thyroid hormones:

T4 (thyroxine) and T3 (triiodothyronine).

Thyroid hormones have a significant impact on the human body. Namely: on basic metabolism, oxygen consumption, energy balance, heat generation.

Full functional state of the thyroid gland To study, it is recommended to test the following combination of hormones: FT3, FT4 and TSH or Thyroid (Thyroid) Hormone Profile II - Extended Thyroid Screening:

  • Thyroid-stimulating hormone (TSH) Determination is the initial (first) test for the diagnostics of thyroid disease. Even a small change in the concentration of thyroid hormones causes a marked change in the concentration of TSH. Therefore, thyroid-stimulating hormone is a very specific and sensitive parameter for the control of thyroid function, as well as for the detection and exclusion of diseases of the hypothalamic-pituitary-thyroid system;
  • Free Thyroxine (FT4) Is a biologically active fraction of thyroxine that circulates in the blood, is not related to blood proteins and makes up 4% of total thyroxine - T0.03.
    Free thyroxine (FT4) is produced by the follicular cells of the thyroid gland under the influence of TSH and is regulated by the so-called negative feedback principle. It increases heat production and oxygen consumption by all tissues of the body except the brain, spleen and testicles; Stimulates the synthesis of vitamin A in the liver; Reduces the concentration of cholesterol and triglycerides in the blood; Accelerates protein metabolism; Increases urinary calcium excretion; Activates bone metabolism, but more - bone resorption; Has a positive chrono- and inotropic effect on the heart; Stimulates reticular formation and cortical processes in the central nervous system.
  • Free triiodothyronine (FT3) Is a physiologically active form of total T3 (triiodothyronine). The metabolic activity of FT3 is five times greater than that of FT4.

Odyssey to conduct thyroid hormone profile II?

When assessing the functional state of the thyroid gland, When we suspect thyroid damage. It is important to know that functional disorders of the thyroid gland, or diseases at an early stage, are not always manifested clinically. Therefore, periodic screening of the thyroid gland is provided for timely diagnostics.

The study is recommended in patients with symptoms of increased or decreased thyroid function. The test is also prescribed for people with an enlarged gland (so-called "goiter") or "nodules".

Thyroid gland Enhanced function May be manifested by the following symptoms:

  • Weight loss will be followed by normal or increased appetite
  • Accelerated pulse and increase in blood pressure
  • Gentle, warm, moist skin with a tendency to sweat
  • Shivering
  • Insomnia, emotional tension, irritability, crying
  • Standing in front of the eyes
  • More frequent urination or diarrhea

Or vice versa, When the function is impaired Note:

  • Weight gain, even with reduced appetite
  • Slowing of the heartbeat and decreased blood pressure
  • Pale, swollen, cold skin
  • Depression, drowsiness, memory impairment
  • Constipation
  • Thinning eyebrows or hair loss
  • Constant feeling of coldness

How to prepare for the test?

The test takes place Fasting In the morning (until about 10 o'clock). Drinking coffee and smoking before testing will seriously affect the results. It is allowed to drink 250 ml of water before testing.

Research material

Venous blood

youPossible interpretation of Degs

If the test reveals abnormalities, it may be necessary to use additional, other methods of diagnostics. for that You should definitely consult a specialist, which, taking into account the symptoms, will correctly select the appropriate examinations to make an accurate diagnostics.

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