A neonate has a heel prick test performed showing normal serum TSH, normal serum free T4, and decreased serum total T4. What’s the most likely diagnosis?
Anti-thyroid antibodies (fetal-derived)
Anti-thyroid antibodies (maternally derived)
Dysgenesis of thyroid follicles
Globulin deficiency
Sick euthyroid syndrome
Thyrotropin deficiency
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Cut-to-the-chase Answer (1:10):
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HY USMLE Answer (5:05):
