Abstract

Thyroid function tests (TFTs) are a commonly requested test by the primary care physician. It is well known that thyroid hormone changes occur in patients during illnesses. This change in thyroid hormones during illness other than due to thyroid dysfunction is known as the nonthyroidal illness syndrome (NTIS). The hormonal abnormalities usually resolve with recovery from illness; however, an abnormal result can lead to unnecessary further investigations and anxiety. In this article, we review basic thyroid physiology, describe the hormonal changes and mechanisms underlying NTIS and discuss specific uncertainties regarding TFTs.

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The non-thyroidal illness syndrome (NTIS): are thyroid function tests (TFTs) during illness potentially misleading? – Article PDF 00:00:00
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The non-thyroidal illness syndrome (NTIS): are thyroid function tests (TFTs) during illness potentially misleading? Unlimited

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ARTICLE RESOURCES

Article PDF
The non-thyroidal illness syndrome (NTIS): are thyroid function tests (TFTs) during illness potentially misleading? – Article PDF 00:00:00
CPD Assessment
The non-thyroidal illness syndrome (NTIS): are thyroid function tests (TFTs) during illness potentially misleading? Unlimited

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