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Triiodothyronine Total

Overview

Triiodothyronine Total is also known as T3 in medical terms and the test is performed to find out the functionality of the thyroid gland.

What is Triiodothyroniine Total?

Triiodothyronine Total is a blood test performed to measure the blood level of the triiodothyronine hormone that is produced directly by the thyroid gland.

Body functions, like growth, body temperature, and heart rate, are controlled with the help of Triiodothyronine Total.

Triiodothyronine Total exists in two forms, namely Bond T3 and Free T3, and the test is performed to measure both in the child’s blood.

Why is Triiodothyronine Total suggested?

Thyroid dysfunction is the main cause when the doctor recommends the Triiodothyronine Total blood test.

The Triiodothyronine Total blood test diagnosis hyperthyroidism, which is caused when the thyroid gland overproduces hormones and symptoms, such as a fast heart rate, weight loss, trembling, and sweating.

How is Triiodothyronine Total performed?

Triiodothyronine Total is a simple test that involves the following steps:

  • Initially, the area of the upper arm should be cleaned by an antiseptic.
  • An elastic band should be tied around the arm to make the veins swell to expose the vein.
  • By injecting a sterile needle into a vein, blood is drawn into a tube attached to the needle.

What are the parameters measured in Triiodothyronine Total?

The Triiodothyronine Total blood test is measured in nanograms per milliliters.

Preparation before performing Triiodothyronine Total

The Triiodothyronine Total test does not need any special preparation. However, it’s important to tell the doctor whether the patient is taking any medication that may vary the results of the test.

Post-care after Triiodothyronine Total

No suggested post-care procedure is recommended after a Triiodothyronine Total test, but if the healthcare provider suspects a disease, some precautions or additional tests may be recommended.

Sample types in Triiodothyronine Total

A blood sample is required in the Triiodothyronine Total test.

Side effects/risks of Triiodothyronine Total

After taking a Triiodothyronine Total test, the patient can return to regular activities.

In rare cases, patients may be lightheaded or faint after having blood drawn.

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