[Plasmatic thyroid hormones during treatment of hyperthyroidism by carbimazol (author's transl)]

Plasmatic concentrations of thyroxine (T4-D-) and triiodothyronine (T3 RI) were evaluated in 32 Graves' diseases on treatment by carbimazol. Among 131 measures, T4 and T3 were dissociated in 56%, with T3 more elevated than T4 in 89%. Compensated hypothyroidism was frequently seen (35%).