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Thyroid Function Test Interpretation Table

TSH, Free T4, Free T3 and Associated Condition
#Diagnosis #Endocrinology #Hyperthyroid #Hypothyroid #Function
Thyroid Function ... Table TSH, Free ... T4, Free T3 and ... #Hypothyroid #Function ... #FreeT4 #Labs #
Thyroid Function Tests (TFTs) and Interpretation

 • TSH, Free T4, Free T3
 • T3 Uptake
 •
Thyroid Function ... • TSH, Free ... T4, Free T3 • ... T3 Uptake • Free ... #Function #Tests
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
Hyperthyroidism: • Graves ... disease - TSH low; free ... is elevated and free ... goiter - TSH low; free ... #hyperthyroid #
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Approach to Thyroid ... Function Tests ... ophthalmopathy → Graves ... Hyperthyroidism #algorithm ... endocrinology #TFTs #TSH #Interpretation
Approach to the Diagnosis of Hyperthyroidism - Differential Diagnosis and Workup Algorithm

 • Secondary Hyperthyroidism (↑↔TSH,
/Free T4) • Subclinical ... /Free T4) • Overt ... /Free T4) • ß-hCG-associated ... /Free T4) Radioactive ... High Uptake: • Graves
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
low TSH, High T4/T3 ... ) - Diagnostic Algorithm ... concern for nodular thyroid ... Graves disease – ... Hyperthyroidism #Hyperthyroid
Hyperthyroidism Overview

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
diffuse goiter (Graves ... TSH • ↑ Total T3 ... • ↑ Free T4 ... antibodies (TRAb) if Graves ... ↑ FT4 and/or ↑ T3
Graves Thyrotoxicosis on Thyroid POCUS

TSH 0.00. Free T3 26.5. Thyrotoxicosis from Graves. 

- VCU Ultrasound @ultrasound_vcu

#Graves
Graves Thyrotoxicosis ... on Thyroid POCUS ... Free T3 26.5. ... Thyrotoxicosis from Graves ... Thyrotoxicosis #Thyroid