A 24-year-old man comes to the physician for a 1-day history of palpitations and neck pain. He recently recovered from an upper respiratory tract viral infection. Heart rate is 95. Which of the following is most likely to be seen in this patient?
Decreased I131 uptake
Diffusely increased I131 uptake
Free-T4 in normal range
Increased serum TSH
Microsomal antibodies
