system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
A 42-year-old man is referred for an endocrinology consult because of decreased triiodothyronine (T3) hormone levels. He presented to the emergency department 1 week prior to this consultation with pneumonia and was admitted to a medicine service for management of his infection. He has since recovered from his infection after intravenous antibiotic administration. He currently has no symptoms and denies feeling cold or lethargic. A panel of laboratory tests are obtained with the following results:

Thyroid-stimulating hormone: 4.7 µU/mL
Thyroxine (T4): 6 µg/dL
Triiodothyronine (T3): 68 ng/dL

Which of the following additional findings would most likely also be seen in this patient?
assistant
Increased reverse T3 concentration