9 results
Differentiation of Causes of Hyperthyroidism According to Pattern of Radionucleotide Uptake
Reduced uptake:
 • Thyroiditis
 • Exogenous
thyroid hormone ... : • Graves' disease ... • Excess thyroid-stimulating ... Toxic multinodular goiter ... #endocrinology
Approach to the Diagnosis of Hyperthyroidism - Differential Diagnosis and Workup Algorithm

 • Secondary Hyperthyroidism (↑↔TSH,
Diagnosis and Workup ... : • Graves disease ... , Multinodular goiter ... • Exogenous thyroid ... #endocrinology
Algorithm for the diagnostic workup of hyperthyroidism. (T3 = triiodothyronine; T4 = thyroxine; TSH = thyroid-stimulating
Algorithm for the ... diagnostic workup ... thyroxine; TSH = thyroid-stimulating ... #workup #aafp # ... endocrinology
Hyperthyroidism - Differential Diagnosis Algorithm
High/Normal Radioiodine Uptake
 - Autoimmune Thyroid Disease:
    • Grave's
Hyperthyroidism ... Normal Radioiodine Uptake ... Disease: • Grave's ... Toxic Multinodular Goiter ... #endocrinology
Graves Disease - Autoimmune Hyperthyroidism
Epidemiology: Most common cause of hyperthyroidism, Incidence peaks at 30-50
Diagnosis: 
1 )
Graves Disease - ... palpitations, Goiter ... • Radioactive iodine ... Thyroidectomy (goiter ... diagnosis #management #endocrinology
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
: Work-up similar ... ophthalmopathy → Graves ... Uptake & Scan ... #algorithm #diagnosis ... #endocrinology
Hyperthyroidism Overview

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
Toxic diffuse goiter ... (Graves' disease ... antibodies (TRAb) if Graves ... uptakeThyroid ... #differential #endocrinology
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
: • Graves disease ... Toxic multinodular goiter ... uptake; thyroid ... uptake; thyroid ... uptake Hypothyroidism
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
Hyperthyroidism ... Radioactive iodine ... concern for nodular thyroid ... Graves disease – ... #Workup #Endocrinology