3 results
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 ... differential #diagnosis
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
Radioactive iodine ... concern for nodular thyroid ... affects diagnostic workup ... Hyperthyroidism #Hyperthyroid ... Diagnosis #Algorithm #Workup
Approach to the Diagnosis of Hyperthyroidism - Differential Diagnosis and Workup Algorithm

 • Secondary Hyperthyroidism (↑↔TSH,
Diagnosis and Workup ... Radioactive Iodine ... disease • Low iodine ... • Thyroiditis, Iodine ... • Exogenous thyroid