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recommended reference ranges in the guidelines (0.4 – 4 mIU/L). Conversely, the risk of heart disease, stroke, broken bones and death was higher in hypothyroid patients with TSH levels outside the recommended reference range. Importantly, this range offers flexibility in treatment since patients may feel better at different TSH
thyroid function testing amongst all stakeholders with a view to the widespread adoption of harmonised good practice in the diagnosis and management of patients with thyroid disorders.
Blood tests to measure these hormones are readily available and widely used, but not all are useful in all situations. Tests to evaluate thyroid function include the following: TSH TESTS The best way to initially test thyroid function is to measure the TSH level in a blood sample. Changes in TSH can serve as an “early warning system” – often
Tests Used to Detect Thyroid Dysfunction. Defining Ranges for Serum TSH. Individual’s range. • Much narrower than reference range. Lab reference range. • Defined by values in “normal” population. Target range. Goals for thyroxine treatment of specific conditions. Hypothyroidism: normalization of TSH within age-specific reference range.
• Patients should be monitored with a serum TSH measurement every four weeks until mid -gestation, and at least once near 30 weeks gestation. • Target TSH in the lower half of the trimester specific reference range or below 2.5 mU/L.
22 cze 2015 · Though TSH remains the most commonly used endocrine test in clinical practice, the issue of an appropriate TSH, and to a lesser extent, free T4 and free T3 reference ranges is still under debate.
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.
