8 results
Thyroid Disorders - Differential Diagnosis Algorithm
Hypothyroidism:
 • Hasimoto’s
 • Radioactive Iodine 
 • Hypopituitarism
 • Iodine
Thyroid Disorders ... - Differential ... • Radioactive Iodine ... Hypopituitarism • Iodine ... #Hypothyroid #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 ... uptake Hypothyroidism
Differentiation of Causes of Hyperthyroidism According to Pattern of Radionucleotide Uptake
Reduced uptake:
 • Thyroiditis
 • Exogenous
thyroxine • Iodine ... loading • Ectopic thyroid ... #radioactive #iodine ... #differential # ... diagnosis #hyperthyroidism
Approach to the Diagnosis of Hyperthyroidism - Differential Diagnosis and Workup Algorithm

 • Secondary Hyperthyroidism (↑↔TSH,
Radioactive Iodine ... disease • Low iodine ... goiter Radioactive Iodine ... • Thyroiditis, Iodine ... • Exogenous thyroid
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Approach to Thyroid ... symmetrically enlarged thyroid ... → Radioactive Iodine ... Uptake & Scan ... #algorithm #diagnosis
Hyperthyroidism Overview

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
Toxicosis • Iodine ... with radioactive iodine ... uptakeThyroid ... Thionamide - Iodine ... • Radioactive iodine
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
Hyperthyroidism ... ) - Diagnostic Algorithm ... Radioactive iodine ... concern for nodular thyroid ... #Hyperthyroid #
Hypothyroidism - Differential Diagnosis Algorithm
Central Hypothyroidism
 • Isolated TSH Deficiency
 • Panhypopituitarism
Thyroid Hormone Resistance
Iatrogenic
Primary Hypothyroidism
 -
Differential Diagnosis ... Algorithm Central ... Panhypopituitarism Thyroid ... - Congenital Thyroid ... • Severe Iodine