Table 142.7Hypothyroidism

1. Physical examination and history unequivocal or suggestive
 T4, T3 resin uptake, TSH ± AMA
or
Free T4 index, TSH ± AMA
2. Lab equivocal
 TRH–TSH response
3. Low T4, T3 resin uptake, or low free T4 index; low or normal TSH
 TRH-TSH response flat or delayed Pituitary evaluation

From: Chapter 142, Thyroid Function Tests

Cover of Clinical Methods
Clinical Methods: The History, Physical, and Laboratory Examinations. 3rd edition.
Walker HK, Hall WD, Hurst JW, editors.
Boston: Butterworths; 1990.
Copyright © 1990, Butterworth Publishers, a division of Reed Publishing.

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