6 results
Thyroid Function Test Interpretation Table

TSH, Free T4, Free T3 and Associated Condition
#Diagnosis #Endocrinology #Hyperthyroid #Hypothyroid #Function
Thyroid Function ... Free T4, Free T3 ... Endocrinology #Hyperthyroid ... #Hypothyroid #Function ... FreeT3 #FreeT4 #Labs
Abnormal Serum TSH - Differential Diagnosis Algorithm
Increased TSH
 • Hypothyroidism
 • Sub-clinical Hypothyroidism
 • Recovery from
Differential Diagnosis Algorithm ... • Sub-clinical Hypothyroidism ... 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 ... Can repeat labs ... symmetrically enlarged thyroid ... #algorithm #diagnosis
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
Disease Hyperthyroidism ... nontumor tissue • Subacute ... iodine 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/T3 ... ) - Diagnostic Algorithm ... concern for nodular thyroid ... #Hyperthyroid #
Subacute Thyroiditis

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

What?
Postviral inflammatory process caused by
Subacute Thyroiditis ... jaw or ear Labs ... phase: ↑ T4 and T3 ... levels, ↓ TSH (2) Hypothyroid ... prednisone #Subacute