0102030405
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T4
2021-09-01
Increase:
- Hyperthyroidism
- Various thyroiditis
- Elevated serum TBG
Decrease:
- Primary or secondary hypothyroidism
- Decreased serum TBG
- Inhibition of T4 to T3 factors (low T3 syndrome)
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FT4
2021-09-01
- Used to judge thyroid function, more sensitive than T4, and the measured value is not affected by TBG
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T3
2021-09-01
Increase:
- Hyperthyroidism
- High iodine reserve
- High TBG
- Thyroiditis
Decrease:
- Hypothyroidism
- Lowered serum TBG
- Iodine deficiency
- Severe liver and kidney disease
- Other systemic diseases
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TSH
2021-09-01
Increase:
- Primary hypothyroidism
- TSH secretory tumor
- Iodine-deficiency endemic goiter
- Thyroid hormone resistance syndrome, etc.
Decrease:
- Primary hyperthyroidism
- TSH gene mutations
- Various thyroiditis damage stages
- Various pituitary diseases affecting TSH cell function
- Clinical application of high-dose glucocorticoids, etc.
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FT3
2021-09-01
- Judging thyroid function, more sensitive than T3, and the measured value is not affected by TBG