12 results
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Function Tests ... • Low TSH, normal ... T4 +/- T3Primary ... secondary) Hyperthyroidism ... #algorithm #diagnosis
Abnormal Serum TSH - Differential Diagnosis Algorithm
Increased TSH
 • Hypothyroidism
 • Sub-clinical Hypothyroidism
 • Recovery from
Abnormal Serum TSH ... • Hypothyroidism ... Recovery from Non-Thyroid ... Thyrotoxicosis • T3 ... #Hypothyroid #Hyperthyroid
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
Disease Hyperthyroidism ... iodine uptake Hypothyroidism ... • Infantile hypothyroidism ... disease course #hypothyroid ... #hyperthyroid #
Approach to the Diagnosis of Hyperthyroidism - Differential Diagnosis and Workup Algorithm

 • Secondary Hyperthyroidism (↑↔TSH,
Diagnosis and Workup Algorithm ... • Secondary ... (↑↔TSH, ↑Total ... • Exogenous thyroid ... Differential #Diagnosis #Algorithm
Hyperthyroidism Overview

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
• Insomnia Primary ... thyroiditis Secondary ... • ↑ Total T3 ... ↑ FT4 and/or ↑ T3 ... : Reduce T4 -> T3
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
Hyperthyroidism ... (low TSH, High T4 ... /T3) - Diagnostic ... concern for nodular thyroid ... #Hyperthyroid #
Algorithmic Approach to Hypothyroidism - Differential Diagnosis and Management Framework

Central Hypothyroidism (Secondary or tertiary) ↓TSH, ↓FT4
Algorithmic Approach ... (Secondary or tertiary ... obtain TPOAb Euthyroid ... Differential #Diagnosis #algorithm ... endocrinology #hypothyroid
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Differential Diagnosis Algorithm ... Mellitus Liver Function ... failure/uremia TSH ... • Hyperthyroidism ... #secondary #systemic
Abnormal Lipid Profiles - Differential Diagnosis Algorithm

Increased Cholesterol and Triglycerides 
 - Genetic Causes
Abnormal Lipid Profiles ... Differential Diagnosis Algorithm ... Diabetes • Hypothyroidism ... Deficiency • Primary ... Causes • Hypothyroid
Pruritus - No Primary Skin Lesion - Differential Diagnosis Algorithm

Blood Glucose:
 • Diabetes Mellitus
Liver Function Tests/Enzymes:
Pruritus - No Primary ... Mellitus Liver Function ... failure/uremia TSH ... • Hyperthyroidism ... #Pruritus #secondary