78 results
Thyroid Function Test Interpretation Table

TSH, Free T4, Free T3 and Associated Condition
#Diagnosis #Endocrinology #Hyperthyroid #Hypothyroid #Function
Thyroid Function ... Interpretation Table ... Free T4, Free T3 ... TFTs #Comparison #Table
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
of Patients for Thyroid ... high; in some cases ... iodine uptake; thyroid ... iodine uptake; thyroid ... procedure that ablates thyroid
Algorithm for the diagnostic workup of hyperthyroidism. (T3 = triiodothyronine; T4 = thyroxine; TSH = thyroid-stimulating
Algorithm for the ... (T3 = triiodothyronine ... thyroxine; TSH = thyroid-stimulating ... hyperthyroidism #algorithm
Causes of Mediastinal Mass - Differential Diagnosis Algorithm
Anterior Mediastinal Mass:
 • Thyroid
 • Thymoma
 • Teratoma
Causes of Mediastinal ... Diagnosis Algorithm ... : • Thyroid ... Differential #Diagnosis #Algorithm ... #Causes
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Approach to Thyroid ... normal T4 +/- T3 ... TSH, high T4 +/- T3 ... symmetrically enlarged thyroid ... Hyperthyroidism #algorithm
Abnormal Serum TSH - Differential Diagnosis Algorithm
Increased TSH
 • Hypothyroidism
 • Sub-clinical Hypothyroidism
 • Recovery from
Differential Diagnosis Algorithm ... Recovery from Non-Thyroid ... Thyrotoxicosis • Non-Thyroid ... Thyrotoxicosis • T3 ... Differential #Diagnosis #Algorithm
Hyperthyroidism Overview

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
thyrotoxicosis • T3 ... TSH • ↑ Total T3 ... ↑ FT4 and/or ↑ T3 ... : Reduce T4 -> T3 ... hyperthyroidism #causes
Approach to the Diagnosis of Hyperthyroidism - Differential Diagnosis and Workup Algorithm

 • Secondary Hyperthyroidism (↑↔TSH,
Diagnosis and Workup Algorithm ... ↑↔TSH, ↑Total T3 ... (↓TSH, ↔Total T3 ... • Exogenous thyroid ... Differential #Diagnosis #Algorithm
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 ... Elevating the arms causes ... #Retrosternal #Thyroid ... vascular #neck #mass
Neck Mass - Differential Diagnosis Algorithm
Congenital Neck Mass:
 • Thyroglossal Duct Cyst
 • Branchial Cleft Anomalies
Neck Mass - Differential ... Diagnosis Algorithm ... Congenital Neck Mass ... • Lymphoma • Thyroid ... #Causes