5 results
Thyroid Function Test Interpretation Table

TSH, Free T4, Free T3 and Associated Condition
#Diagnosis #Endocrinology #Hyperthyroid #Hypothyroid #Function
Thyroid Function ... Interpretation Table TSH ... Free T4, Free T3 ... #Hypothyroid #Function ... #Tests #TFTs #Comparison
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
tissue • Subacute thyroiditis ... uptake • Painless thyroiditis ... • Hashimoto thyroiditis ... disease course #hypothyroid ... #hyperthyroid #
Abnormal Serum TSH - Differential Diagnosis Algorithm
Increased TSH
 • Hypothyroidism
 • Sub-clinical Hypothyroidism
 • Recovery from
Abnormal Serum TSH ... Differential Diagnosis Algorithm ... Recovery from Non-Thyroid ... Thyrotoxicosis • T3 ... #Hypothyroid #Hyperthyroid
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Approach to Thyroid ... Function Tests ... • Low TSH, normal ... Hyperthyroidism #algorithm ... endocrinology #TFTs
Subacute Thyroiditis

Also known as: de Quervain’s thyroiditis, granulomatous thyroiditis, or viral thyroiditis

What?
Postviral inflammatory process caused by
returns to normal ... phase: ↑ T4 and T3 ... levels, ↓ TSH ... (2) Hypothyroid ... phase: ↓ T4 and ↓ TSH