Review Question - QID 210398

A 27-year-old woman comes to her primary care physician complaining of palpitations for the past 2 months. She has also felt anxious and feels like her heart is “racing.” She has experienced sweating and unintentional weight loss. Her temperature is 98.9°F (37.2°C), blood pressure is 127/84 mmHg, pulse is 100/min, respirations are 14/min, and oxygen saturation is 98% on room air. Physical examination reveals symmetrical, non-tender thyroid enlargement and exophthalmos. After additional testing, the patient is given an appropriate treatment for her condition. She returns 2 weeks later complaining of worsening of her previous ocular symptoms. Which of the following treatments did the patient most likely receive?