Euthyroid Sick Syndromes

Conditions of abnormal THYROID HORMONES release in patients with apparently normal THYROID GLAND during severe systemic illness, physical TRAUMA, and psychiatric disturbances. It can be caused by the loss of endogenous hypothalamic input or by exogenous drug effects. The most common abnormality results in low T3 THYROID HORMONE with progressive decrease in THYROXINE; (T4) and TSH. Elevated T4 with normal T3 may be seen in diseases in which THYROXINE-BINDING GLOBULIN synthesis and release are increased.

Year introduced: 1987

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Tree Number(s): C19.874.255

MeSH Unique ID: D005067

Entry Terms:

• Euthyroid Sick Syndrome
• Non-Thyroidal Illness Syndrome
• Non Thyroidal Illness Syndrome
• Syndrome, Non-Thyroidal Illness
• Syndromes, Non-Thyroidal Illness
• Sick Euthyroid Syndrome
• Syndrome, Sick Euthyroid
• High T4 Syndrome
• High T4 Syndromes
• Low T3-Low T4 Syndrome
• Low T3 Low T4 Syndrome
• Low T3 and Low T4 Syndrome
• Low T3-High T4 Syndrome
• Low T3 High T4 Syndrome
• Low T3 Syndrome

See Also:

• Thyroid Hormone Resistance Syndrome

All MeSH Categories
Diseases Category
Endocrine System Diseases
Thyroid Diseases
Euthyroid Sick Syndromes