4 results
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Approach to Thyroid ... Function Tests ... → Radioactive Iodine ... #algorithm #diagnosis ... #Interpretation
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
Disease Hyperthyroidism ... high; in some cases ... uptake Hypothyroidism ... disease course #hypothyroid ... #hyperthyroid #
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
Hyperthyroidism ... (low TSH, High T4 ... Radioactive iodine ... concern for nodular thyroid ... #Hyperthyroid #
Hypothyroidism - Differential Diagnosis Algorithm
Central Hypothyroidism
 • Isolated TSH Deficiency
 • Panhypopituitarism
Thyroid Hormone Resistance
Iatrogenic
Primary Hypothyroidism
 -
Differential Diagnosis Algorithm ... • Isolated TSH ... Panhypopituitarism Thyroid ... • Severe Iodine ... endocrinology #causes