Complete Thyroid Profile Test
Complete Thyroid Profile 3
5 Essential thyroid test in one package
Complete thyroid profile test panel measures the levels of total thyroxine T-4, total triiodothyronine T-3, free T-3, Free T-4 and thyroid-stimulating hormone (TSH) in blood.
Note: Read test details, FAQs and test conditions before proceeding to booking.
Complete Thyroid Profile Test 3
Complete Thyroid Profile Test covers T3, T4, Free T3, Fee T4, and TSH tests.
Complete Thyroid Function Test panel measures the levels of total thyroxine T-4, total triiodothyronine T-3, free T-3, Free T-4 and thyroid-stimulating hormone (TSH) in blood.
What is thyroid stimulating hormone?
The thyroid-stimulating hormone is a pituitary hormone that stimulates the thyroid gland to produce triiodothyronine (T3) and thyroxine (T4) hormones. These hormones help to control the rate at which energy is used in almost every tissue in the body.
What are T4 and T3 hormones?
Thyroxine (T4) and Triiodothyronine (T3) which are secreted into the blood, bind reversibly to the transport proteins like thyroxine-binding globulin (TBG), thyroxine-binding prealbumin (TBPA), and albumin. Remaining unbound T4 and T3 circulates freely in the blood and used by the body. This freely circulating Thyroxine (T4) and Triiodothyronine (T3) are known as Free Thyroxine FT-4 and Free triiodothyronine FT-3.
What are free T4 and free T3 hormones?
Triiodothyronine (T3) normally represents only approximately 5% of the thyroid hormone and, like thyroxine, is almost entirely bound to the carrier proteins, with only 0.25% of the total being in the free state. Measurement of free triiodothyronine is of value in confirming the diagnosis of hyperthyroidism, when an elevated free or total thyroxine level is found. Abnormal total and free triiodothyronine concentrations may appear in T3 toxicosis, in the presence of normal thyroxine levels.
Free T3 levels are unaffected by carrier protein variation. – Free thyroxine (FT4) comprises a small fraction of total thyroxine. The FT4 is available to the tissues and is, therefore, the metabolically active fraction. Elevations in FT4 cause hyperthyroidism, while decreases cause hypothyroidism.
What are hyper and hypothyroidism?
This test is performed to measure whether the thyroid gland is hyperactive (Hyperthyroidism) or underactive (Hypothyroidism). Hyperthyroidism is a condition in which the thyroid gland produces excessive hormones. This condition may cause signs and symptoms such as weight loss, irritability, sweating, and irregular heartbeats. Hypothyroidism is a condition in which the thyroid gland does not produce enough hormones.
This condition may cause weight gain, dry skin, constipation, feeling cold, and a slow heart rate. Your doctor may ask you to undergo this test if you exhibit any of these signs or symptoms.
Why is this complete thyroid profile test is done?
The doctor may ask to get this test done if the patient is suffering from symptoms like unexplained weight loss or weight gain, fatigue, weakness, difficulty in concentrating, which are common symptoms of thyroid disorders. Sometimes, this test is performed to find out the effectiveness of the treatment.
If a patient is in the treatment of artificial thyroid hormones, then the doctor prefers this test to evaluate and to check the thyroid hormone levels in the body. This helps the doctor to rule out the patient’s disease condition.
Complete thyroid profile 3 includes:
- Free T3
- Free T4
- TSH – Thyroid-Stimulating Hormone
- Overnight fasting is not required
- Sometimes, the doctor may advise 10 to 12 Hours fasting before the sample collection
- During pregnancy, T3, T4 levels may be abnormal and usually, it becomes stabilized after a period
- Doctor’s prescription may be needed
- The test result may vary depending on gender, age, health history, etc.
- Some drugs may affect or change the levels of T4 and TSH in the blood.
Also known as, Free T3 and Free T4 Blood, Free T3 and Free T4, Thyroid Function Tests Total Blood, TFT Total Blood, TFT Total, Thyroid Function Tests Total
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