The significance of high thyroxine in hospitalized patients with low thyroid-stimulating hormone

ConclusionsThe combination of low TSH and high FT4 levels in hospitalized patient is usually caused by nonthyroidal illness combined with drug effects. This thyroid function disturbance is common in hospitalized patients and if the FT3 level is below the middle of the norm, treatment is probably unnecessary.
Source: Endocrine - Category: Endocrinology Source Type: research