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We have case , femal patien , age 60 years, the TSH less than 0.05 while T4 in normal range , and she has not any symptom of thyroidism , is it ok ?

3 doctors weighed in
Dr. Alan Feldman
Internal Medicine - Endocrinology
2 doctors agree

In brief: Subclinical hyperthy

A low TSH with a normal T4 and no symptoms is usually subclinical hyperthyroidism.
She may have a multinodular goiter that is autonomously functioning, or very early graves disease. A T3 (liothyronine) level and free T4 level should be checked. There is a higher risk of developing atrial fibrillation despite the normal T4 level, but many endocrinologists would just follow her levels for progression.

In brief: Subclinical hyperthy

A low TSH with a normal T4 and no symptoms is usually subclinical hyperthyroidism.
She may have a multinodular goiter that is autonomously functioning, or very early graves disease. A T3 (liothyronine) level and free T4 level should be checked. There is a higher risk of developing atrial fibrillation despite the normal T4 level, but many endocrinologists would just follow her levels for progression.
Dr. Alan Feldman
Dr. Alan Feldman
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