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Thyroid Function Test Interpretation Table

TSH, Free T4, Free T3 and Associated Condition
#Diagnosis #Endocrinology #Hyperthyroid #Hypothyroid #Function
Thyroid Function Test ... Interpretation Table TSH ... , Free T4, Free ... #Hypothyroid #Function ... #Table #TSH #FreeT3
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
Graves disease - TSH ... low; free T4 high ... low; free T4 and ... disease course #hypothyroid ... #hyperthyroid #
Hyperthyroid States - Comparison Table - Laboratory Findings via RebelEM @srrezaie

#Diagnosis #Endocrinology #Hyperthyroid #States #Comparison #Table
Hyperthyroid States ... Endocrinology #Hyperthyroid ... Comparison #Table #TSH ... Interpretation #TFTs #Tests
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Thyroid Function Tests ... , Low normal T4 ... T4 +/- T3 → Subclinical ... T4 +/- T3 → Primary ... , high T4 +/- T3
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
Hyperthyroidism (low TSH ... , High T4/T3) - ... Check pregnancy test ... Hyperthyroidism #Hyperthyroid
Thyroid Function Tests (TFTs) and Interpretation

 • TSH, Free T4, Free T3
 • T3 Uptake
 •
Thyroid Function Tests ... Interpretation • TSH ... , Free T4, Free ... Thyroid #Function #Tests
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Liver Function Tests ... failure/uremia TSH ... & T4: • Hypothyroidism
Pruritus - No Primary Skin Lesion - Differential Diagnosis Algorithm

Blood Glucose:
 • Diabetes Mellitus
Liver Function Tests/Enzymes:
Liver Function Tests ... failure/uremia TSH ... & T4: • Hypothyroidism
Subacute Thyroiditis

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

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