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Thyroid Function Test Interpretation Table

TSH, Free T4, Free T3 and Associated Condition
#Diagnosis #Endocrinology #Hyperthyroid #Hypothyroid #Function
Thyroid Function ... Test Interpretation ... Table TSH, Free ... T4, Free T3 and ... #TSH #FreeT3 #FreeT4
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
increased radioactive iodine ... increased radioactive iodine ... decreased radioactive iodine ... decreased radioactive iodine ... and thyroid hormones
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Approach to Thyroid ... critical illness, and ... symmetrically enlarged thyroid ... → Radioactive Iodine ... #Interpretation
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
Hyperthyroidism (low TSH ... Radioactive iodine ... concern for nodular thyroid ... -99% sensitive and ... Hyperthyroidism #Hyperthyroid