Thyroid Test

Part of the endocrine system, the thyroid is a gland that sits at the base of the neck, it is a butterfly shaped gland rich in blood vessels that plays a very important role in a host of bodily functions. The thyroid gland produces a variety of hormones collectively called the thyroid hormones which influence functions like metabolism, growth & development, body temperature. Since the thyroid impacts so many important functions in the body, it is essential to get a Thyroid Function Test in case you or your doctors suspect that your thyroid is not functioning properly. A Thyroid Function Test is usually includes tests like T3, T4 and TSH. The phlebotomist takes your blood sample, which takes only a few minutes. The sample is then sent to the lab to perform the tests included in a Thyroid Test.

Why Thyroid Function Testing is important?

The main function of the thyroid gland is to produce two hormones - Thyroxin (T4) and Triiodothyronine (T3). These hormones are released into the bloodstream where they control metabolism, growth & development, mood, etc. Without a functioning thyroid, the body would not be able to process carbohydrates or vitamins or break down protein.

The pituitary gland controls the thyroid gland; it releases the Thyroid Stimulating Hormone (TSH) which stimulates the thyroid gland to produce the thyroid hormones.

Some common diseases of the thyroid are:

• Hyperthyroidism - The thyroid gland produces excessive thyroid hormones. Some common symptoms are restlessness, racing heart, nervousness, anxiety, weight loss.
• Hypothyroidism - The thyroid gland produces too few thyroid hormones. Some common symptoms are weight gain, sensitivity to cold, dry skin, fatigue, weakness, etc.
• Goiter - A condition where the thyroid gland swells, most commonly caused by an iodine deficiency. In severe cases it can cause swelling of or tightness in the neck, hoarseness, difficulty breathing, coughing.
• Thyroiditis - Inflammation of the thyroid gland caused by a viral infection or autoimmune condition.
• Graves Disease - one of the most common causes for hyperthyroidism, it is an autoimmune condition where excess thyroid hormones are produced.
• Thyroid Nodules - Abnormal masses or lumps in the thyroid gland which may lead to hyperthyroidism.
• Thyroid Cancer - A fairly uncommon form of cancer that is usually curable.

Thyroid conditions can have a major impact on your mood and your body, hence it is important to get a Thyroid Function Test in Faridabad done and consult with your doctor.

How Thyroid Function Test is performed?

A Thyroid Function Test generally includes a T4, T3 and a TSH Test. The T4 test measures the amount of thyroxin, a high level of T4 is indicative of hyperthyroidism. The TSH Test measures the amount of thyroid stimulating hormone; the TSH levels can help in diagnosing hypothyroidism. The T3 test measures triiodothyronine, it is generally used if your T4 and TSH results suggest hyperthyroidism. All these tests can be done simultaneously. All these tests are blood tests and require you to give a blood sample that is tested in the lab for specific parameters. If you notice any of the above mentioned symptoms then it is advisable to get a Thyroid Function Test in Faridabad.