KNOW WHAT IS FREE T4 AND TOTAL T4 - DIAGNOSTIC EXAMS

T4 exam: what is it for and how is it done



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The T4 exam aims to evaluate the functioning of the thyroid through the dosage of the total T4 hormone and free T4. Under normal conditions, the hormone TSH stimulates the thyroid to produce T3 and T4, which are hormones responsible for aiding metabolism, providing the energy needed for the correct functioning of the body