Labels:text | screenshot | black | black and white | font | document OCR: Total serum 14, 13, and rl'3 (Fig. 15.12) ble conveniently measured by widely availa Since commercial radioimmunoassays (RIAs) Des not serum T4 is largely protein bound and d protein correlate with free T4 if there are binding agent but abnormalities, T4 is useful as a screening total T3 is is not reliable as a diagnostic test. Serum nd is less affected by binding protein changes oxicosis useful, particularly in diagnosis of thyro ay be with borderline T4 values, Serum rT3 m d sick' or T3. 0 measured as an indicator of the 'euthyro syndrome in patients with low serum T "BI) (used Measurement of protein-bound iodine ( et abnormalorganic iodine is present. It also can dete no other in past years) correlates with serum T4 if tly used in iodinated proteins. The test is not currer practice. See ...
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