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The finding of an elevated TSH and low FT4 or FTI indicates primary hypothyroidism due to disease in the thyroid gland. A low TSH and low FT4 or FTI indicates hypothyroidism due to a problem involving the pituitary gland. A low TSH with an elevated FT4 or FTI is found in individuals who have hyperthyroidism.
22 gru 2023 · This article describes the TSH test and its results. We also discuss what high and low TSH levels indicate and available treatments. What are normal TSH ranges?
If you have a copy of your test results, it will show your results and a normal range for each test. The normal ranges may vary depending on your gender and age group and whether you're pregnant or have any underlying health conditions.
The main outcomes were heart disease involving the blood vessels, heart failure, and stroke. Secondary outcomes were risk of death, irregular heart rhythm, and broken bones. There were 162,369 patients in the 22-year study period. A total of 863,072 TSH measurements were analyzed.
what blood tests are there to test if the thyroid is working? TSH: Testing TSH is the best way to initially check thyroid function. A high TSH level indicates that the thyroid hormone level is low (usually hypothyroidism ).
The introduction of sensitive thyrotropin assays and free thyroid hormone measurements has simplified the interpretation of thyroid function tests. However, important pitfalls and difficult cases still exist. In this review, thyroid function test results are grouped into six different patterns.
The optimal dose of thyroxine for long-term therapy is assessed from the results of thyroid function tests together with clinical findings. In determining the optimal dose of thyroxine the biochemical target is a TSH result that is detectable, not elevated, and preferably within the reference range.
