168 results
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
normal or increased radioactive ... normal or increased radioactive ... normal; decreased radioactive ... disease course #hypothyroid ... #hyperthyroid #
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
Hyperthyroidism (low TSH ... Diagnostic Algorithm Radioactive ... Hyperthyroidism #Hyperthyroid
Thyroid Function Test Interpretation Table

TSH, Free T4, Free T3 and Associated Condition
#Diagnosis #Endocrinology #Hyperthyroid #Hypothyroid #Function
Interpretation Table TSH ... Endocrinology #Hyperthyroid ... #Hypothyroid #Function ... Comparison #Table #TSH
Thyroid Disorders - Differential Diagnosis Algorithm
Hypothyroidism:
 • Hasimoto’s
 • Radioactive Iodine 
 • Hypopituitarism
 • Iodine
Hasimoto’s • Radioactive ... Diagnosis #Algorithm #Hypothyroid ... #Hyperthyroid
Abnormal Serum TSH - Differential Diagnosis Algorithm
Increased TSH
 • Hypothyroidism
 • Sub-clinical Hypothyroidism
 • Recovery from
Abnormal Serum TSH ... Algorithm Increased TSH ... Toxicosis #TSH ... Diagnosis #Algorithm #Hypothyroid ... #Hyperthyroid #
Hyperthyroid States - Comparison Table - Laboratory Findings via RebelEM @srrezaie

#Diagnosis #Endocrinology #Hyperthyroid #States #Comparison #Table
Hyperthyroid States ... Endocrinology #Hyperthyroid ... Comparison #Table #TSH
Approach to the Diagnosis of Hyperthyroidism - Differential Diagnosis and Workup Algorithm

 • Secondary Hyperthyroidism (↑↔TSH,
Hyperthyroidism (↑↔TSH ... Hyperthyroidism (↓TSH ... Hyperthyroidism (↓TSH ... T3/Free T4) Radioactive ... Multinodular goiter Radioactive
Hyperthyroidism Overview

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
Diagnosis: • ↓ Low TSH ... or Thyrotropin (TSH ... scintigraphy with radioactive ... • Labs: - ↓ TSH ... Methimazole and PTU) • Radioactive
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Hyperthyroidism • Low TSH ... • Low TSH, normal ... • Low TSH, high ... with TRAb → Radioactive ... High or normal TSH
Algorithmic Approach to Hypothyroidism - Differential Diagnosis and Management Framework

Central Hypothyroidism (Secondary or tertiary) ↓TSH, ↓FT4
or tertiary) ↓TSH ... Hypothyroidism ↑TSH ... Hypothyroidism ↑TSH ... sick syndrome ↔TSH ... endocrinology #hypothyroid