11 results
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
uptake; thyroid ... uptake; thyroid ... uptake Hypothyroidism ... #hyperthyroid # ... differential #diagnosis
Thyroid Disorders - Differential Diagnosis Algorithm
Hypothyroidism:
 • Hasimoto’s
 • Radioactive Iodine 
 • Hypopituitarism
 • Iodine
Thyroid Disorders ... - Differential ... @AmyChung #Thyroid ... #Disorders #Differential ... #Hyperthyroid
Abnormal Serum TSH - Differential Diagnosis Algorithm
Increased TSH
 • Hypothyroidism
 • Sub-clinical Hypothyroidism
 • Recovery from
- Differential ... • Hypothyroidism ... Recovery from Non-Thyroid ... #Differential # ... #Hyperthyroid #
Approach to the Diagnosis of Hyperthyroidism - Differential Diagnosis and Workup Algorithm

 • Secondary Hyperthyroidism (↑↔TSH,
- Differential ... Scan - High Uptake ... Scan - Low Uptake ... • Exogenous thyroid ... #Differential #
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Approach to Thyroid ... • Low TSH, Low ... symmetrically enlarged thyroid ... → Radioactive Iodine ... Uptake & Scan
Hyperthyroidism Overview

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
stimulators • TSH-producing ... or Thyrotropin (TSH ... uptakeThyroid ... • Labs: - ↓ TSH ... causes #diagnosis #differential
Hyperthyroidism - Differential Diagnosis Algorithm
High/Normal Radioiodine Uptake
 - Autoimmune Thyroid Disease:
    • Grave's
Hyperthyroidism ... - Differential Diagnosis ... Normal Radioiodine Uptake ... Low Radioiodine Uptake ... #HighThyroid #Differential
Differentiation of Causes of Hyperthyroidism According to Pattern of Radionucleotide Uptake
Reduced uptake:
 • Thyroiditis
 • Exogenous
Differentiation of Causes of Hyperthyroidism ... loading • Ectopic thyroid ... disease • Excess thyroid-stimulating ... #differential # ... diagnosis #hyperthyroidism
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
Hyperthyroidism ... (low TSH, High T4 ... Radioactive iodine ... 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 ... - Differential ... obtain TPOAb Euthyroid ... #Differential # ... endocrinology #hypothyroid