Che significa FT4?
Che significa FT4?
La tiroide, ghiandola posta nella zona del collo, mediante la produzione di tiroxina (FT4) e di triiodotironina libera (FT3) regola i processi metabolici del nostro organismo. La tiroxina libera è il più abbondante degli ormoni tiroidei e viene regolato dal TSH, l'ormone tireostimolante prodotto dall'ipofisi.
Qual è il valore normale di FT4?
| Valori tiroidei normali | |
|---|---|
| Tiroxina (T4) totale (TT4) | nmoli/L |
| Tiroxina (T4) libera (fT4) | 10 - 25 pmoli/L |
| Triiodotironina (T3) totale (TT3) | 1,1 - 2,6 nmoli/L |
| Triiodotironina (T3) libera (fT3) | 3,0 - 8,0 pmoli/L |
What is FT4 and how does it affect you?
- Together these hormones help to control how the body utilizes energy every day. When more FT4 is released by the thyroid gland or the opposite occurs, then bothersome signs and symptoms will begin to appear over time. The two main issues that the FT4 blood test will discover are hyperthyrodism or hypothyroidism.
What is TSH and FT4?
- T4 is often tested at the same time after the TSH blood test with another hormone that is called T3. Together these hormones help to control how the body utilizes energy every day. When more FT4 is released by the thyroid gland or the opposite occurs, then bothersome signs and symptoms will begin to appear over time.
What is ftft4 [free T4] blood test?
- FT4 [Free T4] blood tests are ordered to measure thyroxine levels that are in the blood. Depending on what the test results happen to be, it can be used to evaluate how well a person’s thyroid is functioning and potentially diagnose the presence of a disease.
What does a low FT4 mean on a thyroid test?
- T4 Tests. Individuals who have hyperthyroidism will have an elevated FT4, whereas patients with hypothyroidism will have a low level of FT4. Combining the TSH test with the FT4 accurately determines how the thyroid gland is functioning.
