22 results
Thyroid Function Test Interpretation Table

TSH, Free T4, Free T3 and Associated Condition
#Diagnosis #Endocrinology #Hyperthyroid #Hypothyroid #Function
Thyroid Function ... Free T4, Free T3 ... Endocrinology #Hyperthyroid ... #Hypothyroid #Function
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
of Patients for Thyroid ... high; in some cases ... Toxic multinodular goiter ... disease course #hypothyroid ... #hyperthyroid #
Abnormal Serum TSH - Differential Diagnosis Algorithm
Increased TSH
 • Hypothyroidism
 • Sub-clinical Hypothyroidism
 • Recovery from
Recovery from Non-Thyroid ... Thyrotoxicosis • Non-Thyroid ... Thyrotoxicosis • T3 ... Diagnosis #Algorithm #Hypothyroid ... #Hyperthyroid #
Hyperthyroidism Overview

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
Toxic diffuse goiter ... TSH • ↑ Total T3 ... ↑ FT4 and/or ↑ T3 ... : Reduce T4 -> T3 ... hyperthyroidism #causes
Thyroid Goiter on Physical Exam

Mother and daughter both presenting with thyroid goiters caused by iodine deficiency.
Thyroid Goiter on ... presenting with thyroid ... goiters caused ... Note that the goiter ... bruno.farnetano #Thyroid
Pemberton's Sign caused by a Retrosternal Thyroid Goiter

Elevating the arms causes the previously flat neck veins
Pemberton's Sign caused ... a Retrosternal Thyroid ... Goiter Elevating ... the arms causes ... #Retrosternal #Thyroid
Approach to the Diagnosis of Hyperthyroidism - Differential Diagnosis and Workup Algorithm

 • Secondary Hyperthyroidism (↑↔TSH,
↑↔TSH, ↑Total T3 ... (↓TSH, ↔Total T3 ... (↓TSH, ↑Total T3 ... , Multinodular goiter ... • Exogenous thyroid
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
low TSH, High T4/T3 ... concern for nodular thyroid ... Hyperthyroidism #Hyperthyroid
Thyroid Goiter on Physical Exam

Mother and daughter both presenting with thyroid goiters caused by iodine deficiency.
Thyroid Goiter on ... presenting with thyroid ... goiters caused ... Note that the goiter ... bruno.farnetano #Thyroid
Differentiation of Causes of Hyperthyroidism According to Pattern of Radionucleotide Uptake
Reduced uptake:
 • Thyroiditis
 • Exogenous
Differentiation of Causes ... loading • Ectopic thyroid ... disease • Excess thyroid-stimulating ... Toxic multinodular goiter