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Thyroid Panel with TSH (Thyroid Stimulating Hormone) Popular

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About Our Thyroid Panel with TSH (Thyroid Stimulating Hormone)

Note: Fasting is not required for this test.

The Thyroid Function Test Panel with TSH contains a series of blood tests that are used to monitor the functionality of your thyroid gland. This is accomplished through a combination of T3T4T7, and TSH blood tests.

Through this comprehensive test panel, the health of your thyroid can be determined. Additionally, hyperthyroidism or hypothyroidism can be diagnosed.

The thyroid is an endocrine gland that not only controls metabolism but also secretes hormones that are necessary for growth and development.

This is the same as our Thyroid Test but it also includes the TSH Test. The TSH test measures the amount of thyroid stimulating hormone in your blood. TSH is released by the pituitary gland whenever it notices low T4. Your TSH levels can be used in conjunction with your T4 levels to diagnose both hypothyroidism and hyperthyroidism.

The Thyroid Stimulating Hormone (TSH) and Total Thyroxine (T4) tests provided in this panel can be used in conjunction to diagnose Hyperthyroidism. TSH levels will likely read lower than normal, and T4 levels should be on the high end.

Common Questions:

How can this panel determine hypothyroidism & hyperthyroidism?​

Whenever T3 and T4 hormone levels become out of balance many negative symptoms can occur.  For example, if the thyroid produces too much T4, it is known as hyperthyroidism. TSH levels are usually lower in this instance because the pituitary gland does not detect a need for more T4. All of the systems managed by the thyroid, like the metabolism, work extra hard because of the excess T4. Symptoms of hyperthyroidism include:

  • Sudden and quick weight loss
  • Irregular or rapid heartbeat
  • Tremors
  • More frequent bowel movements
  • Swollen neck (near the base, where the thyroid is)

The TSH and T4 tests provided in this panel can be used in conjunction to diagnose hyperthyroidism. TSH levels will likely read lower than normal, and T4 levels should be on the high end.

The opposite of hyperthyroidism, hypothyroidism, occurs when the thyroid does not produce enough T4 necessary to properly manage the bodily functions it is responsible for. When this happens, the pituitary gland reacts by releasing abnormally high amounts of TSH to signal to the thyroid to produce more T4. The symptoms of hypothyroidism include:

  • Feeling cold often
  • Weight gain
  • Overall weakness
  • Aches and pains
  • Slowed heart rate
  • Depression
  • Poor memory

While the lack of T4 is the cause of hypothyroidism, the high TSH levels that the body releases in response to this are what physicians look at to help confirm the diagnosis.

This test panel is performed by drawing blood. You do not need to fast for this test panel.

How Does the Thyroid Gland Work?

It’s important for your thyroid gland to be working properly because it’s responsible for regulating many of the body’s processes. Glands are small organs that produce things like sweat, tears, or in this case, hormones.

Located in the front of the throat, the thyroid plays an enormous role in your overall health by controlling metabolism, heart and digestive functions, muscle control, brain development, and the maintenance of bones. All of this is largely managed with the two hormones produced by the thyroid: Triiodothyronine (T3) and thyroxine (T4).

It’s very important that your T3 and T4 levels are maintained at a specific range in order to function properly, which is exactly the job of the pituitary gland. Whenever the pituitary gland sees T4 levels fall too low in the bloodstream, it releases a TSH, which tells the thyroid to produce more T4.

Medically Reviewed by: 2019-03-07

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