11 results
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Thyroid Function Tests ... • Low TSH, Low ... • Low TSH, normal ... : Work-up similar ... algorithm #diagnosis #endocrinology
Algorithm for the diagnostic workup of hyperthyroidism. (T3 = triiodothyronine; T4 = thyroxine; TSH = thyroid-stimulating
the diagnostic workup ... of hyperthyroidism ... T4 = thyroxine; TSH ... #hyperthyroidism ... #aafp #endocrinology
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
Hyperthyroidism ... (low TSH, High T4 ... Check pregnancy test ... #Hyperthyroidism ... #Endocrinology
Hyperthyroid States - Comparison Table - Laboratory Findings via RebelEM @srrezaie

#Diagnosis #Endocrinology #Hyperthyroid #States #Comparison #Table
Comparison Table - Laboratory ... #Diagnosis #Endocrinology ... Comparison #Table #TSH ... #FreeT4 #Labs #Laboratory ... Interpretation #TFTs #Tests
Approach to the Diagnosis of Hyperthyroidism - Differential Diagnosis and Workup Algorithm

 • Secondary Hyperthyroidism (↑↔TSH,
Diagnosis and Workup ... (↑↔TSH, ↑Total ... (↓TSH, ↔Total ... (↓TSH, ↑Total ... Diagnosis #Algorithm #endocrinology
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
Laboratory Evaluation ... Thyroid Disease Hyperthyroidism ... iodine uptake Hypothyroidism ... • Infantile hypothyroidism ... differential #diagnosis #endocrinology
Thyroid Function Tests (TFTs) and Interpretation

 • TSH, Free T4, Free T3
 • T3 Uptake
 •
Thyroid Function Tests ... Interpretation • TSH ... Thyroid #Function #Tests ... Interpretation #endocrinology ... #diagnosis #laboratory
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... more time for the laboratory ... – to consider: TSH ... Rheumatoid #Arthritis #laboratory ... #workup #diagnosis
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
• Endocrine: Hypothyroidism ... disease • Pull test ... fungi Initial Laboratory ... Tests: • TSH ... • RPR • Laboratory
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
ACTH stimulation test ... - Serum tests that ... Insufficiency #Evaluation #laboratory ... diagnosis #testing #endocrinology ... #workup