What is the role of malnutrition in the development of euthyroid sick syndrome?

Updated: Apr 27, 2017
  • Author: Serhat Aytug, MD; Chief Editor: Romesh Khardori, MD, PhD, FACP  more...
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Answer

Starvation alters the results of thyroid function tests. Total T4 is reduced, free T4 is unchanged, total T3 is reduced significantly, free T3 is reduced, and rT3 is elevated significantly. Basal TSH either is unchanged or elevated. A delay of TSH to TRH stimulation is exaggerated.


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