6 results
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
Disease Hyperthyroidism ... high; T4 normal ... free T4 normal; ... disease course #hypothyroid ... #hyperthyroid #
Abnormal Serum TSH - Differential Diagnosis Algorithm
Increased TSH
 • Hypothyroidism
 • Sub-clinical Hypothyroidism
 • Recovery from
Abnormal Serum TSH ... Differential Diagnosis Algorithm ... • Hypothyroidism ... Recovery from Non-Thyroid ... #Hypothyroid #Hyperthyroid
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Approach to Thyroid ... normal T4 → Possibly ... • Low TSH, normal ... TSH, high T4 +/ ... #algorithm #diagnosis
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
Hyperthyroidism ... (low TSH, High T4 ... concern for nodular thyroid ... workup choices AND management ... #Hyperthyroid #
Algorithmic Approach to Hypothyroidism - Differential Diagnosis and Management Framework

Central Hypothyroidism (Secondary or tertiary) ↓TSH, ↓FT4
Algorithmic Approach ... Diagnosis and Management ... obtain TPOAb Euthyroid ... endocrinology #hypothyroid ... #Management
Subacute Thyroiditis

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

What?
Postviral inflammatory process caused by
returns to normal ... (2) Hypothyroid ... phase: ↓ T4 and ... ↓ TSH levels ( ... #diagnosis #management