A 34-year-old man being weaned off a ventilator has his thyroid function evaluated. His reverse T3 (rT3) is elevated. He is afebrile. Vitals are stable and within normal limits. Regarding his other thyroid function values, which of the following combinations is most likely in this patient?
↑ TSH; ↑ T3; ↔ T4
↑ TSH; ↓ T3; ↔ T4
↑ TSH; ↔ T3; ↔ T4
↓ TSH; ↔ T3; ↑ T4
↓ TSH; ↔ T3; ↓ T4
↓ TSH; ↔ T3; ↔ T4
↔ TSH; ↑ T3; ↓ T4
↔ TSH; ↓ T3; ↔ T4
↔ TSH; ↔ T3; ↓ T4
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Cut-to-the-chase Answer (0:49):
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HY USMLE Answer (3:32):
