This test measures the level of triiodothyronine (T3) Found in the blood, T3 is one of the two main hormones produced by the thyroid gland, a small butterfly-shaped gland located near the throat. The other hormone is called thyroxine (T4); T3 and T4 work together to regulate how the body uses energy. These hormones still play important roles in the regulation of body weight, temperature, muscle strength, and the nervous system.
There are two forms of T3 hormones.
- Bound T3, which binds to proteins
- Free T3, which does not attach to anything.
A test What defines both bound and free T3 is called shared T3. T3 test . Another test A provided T3 is called a basic definition provided T3. Or test Can be applied to test T3 values; if T3 levels are not considered normal, it may be a symptom of thyroid disease.
Also known as: thyroid function test ; total triiodothyronine , free triiodothyronine , FT3
What is it used for?
A T3 test Most frequently used to diagnose hyperthyroidism, a condition in which the body produces very large amounts of thyroid hormones.
T3 tests It is often used in combination with T4 and TSH (thyroid stimulating hormone). tests . A T3 test It can also be used to predict healing of thyroid disease.
Why do I need a T3 test ?
You may need a T3 test Signs of hyperthyroidism. These include
- fear
- weight loss
- Trembling of the hands
- Increased heart rate
- Eye protrusion
- Sleep problems
- Fatigue
- Lower heat tolerance
- More frequent bowel movements
What happens during the process T3 test ?
The physician draws blood from a vein in the arm using a small needle. After the needle is inserted into a small amount of blood, the blood is collected in a a test tube or vial. Some pressure may be felt when the needle is inserted and removed. This usually takes less than 5 minutes.
You should be ready to collect the blood. the test ?
T3 Blood does not require any special substances. test Your health care provider will tell you if you need to stop taking any medications prior to the visit. test Field some medications are more likely to raise or lower T3 levels.
What are the risks? the test ?
Not enough risk to blood. test FieldMild soreness or bruising may occur at the site of the needle puncture, but most symptoms disappear quickly.
What do the results mean?
If the results show elevated arterial T3 or elevated free T3, it could mean hyperthyroidism; if T3 levels are low, it could mean hypothyroidism, a condition in which the body does not produce the required amount of thyroid hormone.
T3 test Results are often compared to T4. TSH test results to help diagnose thyroid disease.
If you have questions about your results, talk to your physician.
Is there actually anything else we need to talk about? T3 test ?
Thyroid changes may occur during pregnancy. These changes are usually not considered serious and most pregnant women do not need a T3 test. However, your health care provider may order the following T3 test Be prepared for the following during pregnancy
- Symptoms of thyroid disease
- History of thyroid disease
- Autoimmune disease
- Family history of thyroid disease
