8 results
Thyroid Disorders - Differential Diagnosis Algorithm
Hypothyroidism:
 • Hasimoto’s
 • Radioactive Iodine 
 • Hypopituitarism
 • Iodine
Thyroid Disorders ... - Differential ... • Radioactive Iodine ... Hypopituitarism • Iodine ... #Hyperthyroid
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
increased radioactive iodine ... increased radioactive iodine ... decreased radioactive iodine ... decreased radioactive iodine ... differential #diagnosis
Approach to the Diagnosis of Hyperthyroidism - Differential Diagnosis and Workup Algorithm

 • Secondary Hyperthyroidism (↑↔TSH,
Diagnosis and Workup ... Radioactive Iodine ... disease • Low iodine ... goiter Radioactive Iodine ... • Thyroiditis, Iodine
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
Hyperthyroidism ... Radioactive iodine ... concern for nodular thyroid ... #Hyperthyroidism ... #Hyperthyroid #
Differentiation of Causes of Hyperthyroidism According to Pattern of Radionucleotide Uptake
Reduced uptake:
 • Thyroiditis
 • Exogenous
thyroxine • Iodine ... loading • Ectopic thyroid ... #radioactive #iodine ... radionuclide #uptake #differential ... #diagnosis #hyperthyroidism
Hyperthyroidism Overview

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
Toxicosis • Iodine ... with radioactive iodine ... Thionamide - Iodine ... • Radioactive iodine ... causes #diagnosis #differential
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Approach to Thyroid ... : Work-up similar ... to hyperthyroidism ... symmetrically enlarged thyroid ... → Radioactive Iodine
Hypothyroidism - Differential Diagnosis Algorithm
Central Hypothyroidism
 • Isolated TSH Deficiency
 • Panhypopituitarism
Thyroid Hormone Resistance
Iatrogenic
Primary Hypothyroidism
 -
Differential Diagnosis ... Panhypopituitarism Thyroid ... - Congenital Thyroid ... • Severe Iodine ... #LowThyroid #Differential