11 results
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
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
Disease Hyperthyroidism ... iodine uptake Hypothyroidism ... • Infantile hypothyroidism ... disease course #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 ... symmetrically enlarged thyroid ... #algorithm #diagnosis
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Differential Diagnosis Algorithm ... Endocrine • Hypothyroidism ... • Hyperthyroidism ... contraceptives • Hyperthyroid ... Differential #Diagnosis #Algorithm
Hyperthyroidism - Differential Diagnosis Algorithm
High/Normal Radioiodine Uptake
 - Autoimmune Thyroid Disease:
    • Grave's
Hyperthyroidism ... Differential Diagnosis Algorithm ... High/Normal Radioiodine ... Struma Ovarii #Hyperthyroidism ... Differential #Diagnosis #Algorithm
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

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

Central Hypothyroidism (Secondary or tertiary) ↓TSH, ↓FT4
Algorithmic Approach ... to Hypothyroidism ... obtain TPOAb Euthyroid ... Differential #Diagnosis #algorithm ... endocrinology #hypothyroid
Diffuse Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 • Lupus erythematosus
 • Lichen
Diffuse Hair Loss ... Diagnosis Algorithm ... Endocrine • Hypothyroidism ... • Hyperthyroidism ... contraceptives • Hyperthyroid
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Diffuse Hair ... • Endocrine: Hypothyroidism ... Tests: • TSH ... hyperandrogenism (Prolactin, FSH ... deficiency • Thyroid
Subacute Thyroiditis

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

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