A 35-year-old woman presents with complaints of weight loss…

A 35-year-old woman presents with complaints of weight loss despite increased appetite, restlessness, palpitations, and heat intolerance. Her skin is warm and moist, she has a fine tremor, and her heart rate is 132 bpm.Test                                     Result                                                     Normal RangeTSH                                   0.01 µIU/mL                                         0.4–4.0 µIU/mLFree T4                             3.2 ng/dL                                               0.8–1.8 ng/dLTotal T3                            250 ng/dL                                              80–180 ng/dL   Which is the most appropriate initial intervention for this patient? 

A 42-year-old woman presents with complaints of fatigue, col…

A 42-year-old woman presents with complaints of fatigue, cold intolerance, constipation, weight gain, and dry skin over the past few months. She mentions that her periods have become heavier. On examination, her heart rate is 58 bpm, her skin is dry, and she has a mildly enlarged, non-tender thyroid. Her lab values are:Test                                  Result                           Reference RangeTSH                               7.9 µIU/mL                  0.4–4.0 µIU/mLFree T4                         0.5 ng/dL                      0.8–1.8 ng/dLAnti-TPO Ab                Positive                        Negative/Low Based on the clinical findings and labs, what is the most appropriate initial treatment for this patient?