7 results
Approach to the Diagnosis of Hyperthyroidism - Differential Diagnosis and Workup Algorithm

 • Secondary Hyperthyroidism (↑↔TSH,
Diagnosis and Workup ... Uptake: • Graves ... , Multinodular goiter ... Radioactive Iodine ... #endocrinology
Differentiation of Causes of Hyperthyroidism According to Pattern of Radionucleotide Uptake
Reduced uptake:
 • Thyroiditis
 • Exogenous
Differentiation of Causes of Hyperthyroidism ... increased uptake: • Graves ... Toxic multinodular goiter ... adenoma #rai #radioactive ... #endocrinology
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
Hyperthyroidism ... Radioactive ... iodine scan – get ... Graves disease – ... #Workup #Endocrinology
Graves Disease - Autoimmune Hyperthyroidism
Epidemiology: Most common cause of hyperthyroidism, Incidence peaks at 30-50
Diagnosis: 
1 )
Graves Disease - ... palpitations, Goiter ... (take time) • Radioactive ... iodine (take time ... diagnosis #management #endocrinology
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
: Work-up similar ... ophthalmopathy → Graves ... with TRAb → Radioactive ... #algorithm #diagnosis ... #endocrinology
Hyperthyroidism Overview

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
(Graves' disease ... antibodies (TRAb) if Graves ... scintigraphy with radioactive ... Methimazole and PTU) • Radioactive ... #differential #endocrinology
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
Thyroid Disease Hyperthyroidism ... : • Graves disease ... Toxic multinodular goiter ... Hypothyroidism: ... differential #diagnosis #endocrinology