Conversion of T4 to T3:

Under-conversion of T4 to T3:

80% of the thyroid hormones produced by the thyroid gland is:

80% of the T3 a woman’s body requires is:

The percentage of T4 free and active:

The percentage of T3 free and active:

Were we to compare a patient’s serum thyroid hormone levels ALL in pg/ml, and levels which are within normal limits, which would be correct?:

A patient’s thyroid test results include a free T4 of 1.17 mcg/dL (ref rng 0.82 – 1.77), and a free T3 of 3.0 pg/mL (2.0 – 4.4). This suggests:

A patient’s thyroid test results include a free T4 of 1.2 mcg/dL (ref rng 0.82 – 1.77), and a free T3 of 2.3 pg/mL (2.0 – 4.4). This suggests:

Re half life: