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TSH (Thyroid Stimulating Hormone) Ultrasensitive near me in Chennai
Also known as Thyrotropin, Thyrotropic hormone
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Blood
This test is for
Male, Female
Test Preparation
Understanding TSH (Thyroid Stimulating Hormone) Ultrasensitive in Chennai
What is TSH (Thyroid Stimulating Hormone) Ultrasensitive in Chennai?
TSH (Thyroid Stimulating Hormone) Ultrasensitive test assesses the functioning of the thyroid gland and detects its disorders, such as hyperthyroidism or hypothyroidism. It is available at an affordable price in Chennai with Tata 1mg labs. Thyroid stimulating hormone (TSH), also known as thyrotropin, is produced by the pituitary gland present in the brain. TSH triggers the thyroid gland to release thyroid hormones triiodothyronine (T3) and thyroxine (T4). Together, TSH, T3, and T4 hormones play a vital role in controlling how the body uses and stores energy and in maintaining the body's weight and temperature.
No special preparations are needed for TSH (Thyroid Stimulating Hormone) Ultrasensitive test. You may eat and drink as per your daily routine. Usually, you do not need to stop taking your thyroid medication before having your TSH levels checked. However, let your doctor know about all the medications you take as some of them can affect thyroid function.
What does TSH (Thyroid Stimulating Hormone) Ultrasensitive measure?
A TSH (Thyroid Stimulating Hormone) Ultrasensitive test measures the levels of TSH hormone in the blood. TSH is produced by the pituitary gland located in the brain. Its function is to stimulate and regulate the functioning of the thyroid gland. It signals the thyroid gland to increase or decrease the production of thyroid hormones T3 and T4 (essential for regulating our body’s metabolism, temperature, heart rate, and growth) when their levels are low or high, respectively. Therefore, when the levels of T3 & T4 decrease, the pituitary gland is stimulated to release TSH. This high TSH level in turn stimulates the thyroid gland to release more thyroid hormones (T3 & T4); the vice-versa happens when the levels of thyroid hormones increase.
Answers to Patient Concerns & Frequently Asked Questions (FAQs) about TSH (Thyroid Stimulating Hormone) Ultrasensitive in Chennai
Frequently Asked Questions about TSH (Thyroid Stimulating Hormone) Ultrasensitive in Chennai
Q. Why is a TSH Ultrasensitive test performed?
Your doctor may suggest a TSH Ultrasensitive test if you have symptoms of hypothyroidism, like weight gain, fatigue, dry skin, hair thinning, slow heart rate, and depression, or hyperthyroidism, like weight loss, muscle weakness, anxiety, trouble sleeping, and frequent bowel movement.
Q. Is fasting required for a TSH Ultrasensitive test?
No, fasting is not needed before taking this test. However, your doctor will guide you if any special preparation is required.
Q. Is there any risk associated with an TSH Ultrasensitive test?
There is usually no risk associated with this test. However, some people may feel a slight sting while the needle is pricked and may experience some bleeding that is normal and usually not bothersome. Rarely some people may experience slight swelling or bruising at the site of the needle prick. Applying ice 3-4 times a day for about a week may help reduce swelling and bruising. If it does not get better, consult your doctor.
Q. Can I take a TSH Ultrasensitive test during pregnancy?
Yes, a TSH Ultrasensitive test along with other tests are usually recommended during pregnancy to measure the levels of thyroid hormones as thyroid disorders can complicate pregnancy.
Q. How can hyperthyroidism affect a pregnant woman and her baby?
An untreated hyperthyroidism during pregnancy can lead to miscarriage, premature birth, low birth weight of the baby, preeclampsia (a very high rise in blood pressure in late pregnancy), thyroid storm (a sudden, severe worsening of symptoms of hyperthyroidism), and congestive heart failure.
Q. What are the causes of high TSH in a newborn?
Congenital hypothyroidism is an important cause of elevated thyroid-stimulating hormone (TSH) in newborns. Other causes of an elevated TSH include transient hypothyroidism due to neonatal illness, premature birth, iodine excess, or deficiency. High TSH can also be seen in case the mother is taking some medicines that could affect thyroid hormone levels or the mother has some underlying thyroid disease.
Q. What is Hyperthyroidism?
Hyperthyroidism is a condition in which the thyroid gland is overactive and there is an increased production of thyroid hormones by the thyroid gland. Causes of Hyperthyroidism include Graves’ disease, multinodular goiter, thyroid nodules, toxic adenoma, inflammation of the thyroid, eating too much iodine, and too much synthetic thyroid hormone. Diagnosis of this condition can help to relieve the symptoms and prevent long-term complications.
Q. What are the symptoms of Hyperthyroidism?
Symptoms of Hyperthyroidism include: Rapid heartbeat (tachycardia) — commonly more than 100 beats/minute — irregular heartbeat (arrhythmia) or pounding of your heart (palpitations), sudden weight loss, nervousness, anxiety, irritability, tremor (usually a fine trembling in your hands and fingers), changes in menstrual patterns, increased sensitivity towards heat, changes in bowel patterns (especially more frequent bowel movements), an enlarged thyroid gland (goiter) which may appear as a swelling at the base of your neck, increased appetite, sweating, fatigue, muscle weakness, sleep disturbances, skin thinning, fine and brittle hair.
Q. What is Hypothyroidism?
Hypothyroidism, also called underactive thyroid or low thyroid is a condition in which the thyroid gland does not produce enough thyroid hormones. It can be commonly caused by intake of low iodine diet or Hashimoto's thyroiditis (an autoimmune disease). Less common causes include previous treatment with radioactive iodine, injury to the pituitary gland which secretes TSH, intake of certain medicines, previous thyroid surgery, or a lack of a functioning thyroid gland at birth.
Q. What are the symptoms of Hypothyroidism?
Hypothyroidism can cause symptoms such as tiredness (fatigue), hoarseness, constipation, feeling cold, dry skin, dry and thin hair, puffy face, weight gain, and muscle weakness. Along with that, one may experience decreased sweating, depression, slowed heart rate, increased blood cholesterol levels, pain, and stiffness in your joints, impaired memory, problems of infertility or menstrual changes, muscle stiffness, aches, and tenderness.
Q. What additional tests your doctor may ask for in case the TSH levels are not in the normal range?
If the TSH levels are not in the normal range, your doctor may ask for the following tests to establish the diagnosis of a suspected disease: T4 thyroid hormone test, T3 thyroid hormone test, Thyroid Hormone Binding Globulin (THBG) test, and Thyroid profile.
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References
- Thyroid Function Tests [Internet]. Alexandria, VA: American Thyroid Association; [Accessed 07 Feb. 2023]. Available from: https://www.thyroid.org/thyroid-function-tests/
- British Thyroid Foundation. Thyroid Function Test [Internet]. Scotland: British Thyroid Foundation; 2021 [Accessed 07 Feb. 2023]. Available from: https://www.btf-thyroid.org/thyroid-function-tests
- National Institute of Diabetes and Digestive and Kidney Diseases. Thyroid Tests [Internet]. National Institute of Health; May 2017 [Accessed 07 Feb. 2023]. Available from: https://www.niddk.nih.gov/health-information/diagnostic-tests/thyroid
- Adhimoolam M, Arulmozhi R. Effect of antiepileptic drug therapy on thyroid hormones among adult epileptic patients: An analytical cross-sectional study. J Res Pharm Pract. 2016 Jul-Sep;5(3):171-4. [Accessed 07 Jul. 2023]. Available from: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4966235/
- Pirahanchi Y, Toro F, Jialal I. Physiology, Thyroid Stimulating Hormone. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; Updated 01 May 2023 [Accessed 07 Jul. 2023]. Available from: https://www.ncbi.nlm.nih.gov/books/NBK499850/
- Dong BJ. How medications affect thyroid function. West J Med. 2000 Feb;172(2):102-6. [Accessed 09 Feb. 2023]. Available from: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1070767/
- Block-Galarza J. Thyroid Function Tests [Internet]. Alexandria, VA: American Thyroid Association; [Accessed 07 Jul. 2023] Available from: https://www.thyroid.org/patient-thyroid-information/ct-for-patients/december-2018/vol-11-issue-12-p-3-4/#:~:text=Most%20commonly%2C%20biotin%20use%20can,hormone%20dose%20is%20too%20high
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