You have been asked to interpret the following TFT results: Blood result Value Normal value TSH 11.0mU/L 0.40-4.0mU/L Free T4 4.0pmol/L 9.0-25.0pmol/L Free T3 2.5pmol/L 3.5-7.8pmol/L Given the diagnosis, what is the most appropriate next step in this patient’s care?