17 results
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
T4 → Possibly Central ... Low TSH, high T4 ... +/- T3 → Primary ... #algorithm #diagnosis ... endocrinology #TFTs #TSH #Interpretation
Abnormal Serum TSH - Differential Diagnosis Algorithm
Increased TSH
 • Hypothyroidism
 • Sub-clinical Hypothyroidism
 • Recovery from
Abnormal Serum TSH ... - Differential ... Diagnosis Algorithm ... #Diagnosis #Algorithm ... #Hypothyroid #Hyperthyroid
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
Thyroid Disease Hyperthyroidism ... iodine uptake Hypothyroidism ... disease course #hypothyroid ... #hyperthyroid # ... differential #diagnosis
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Diagnosis Algorithm ... /uremia TSH & T4 ... : • Hypothyroidism ... • Hyperthyroidism ... #Diagnosis #Algorithm
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
and Focal) Differential ... Diagnosis Algorithm ... • Hyperthyroidism ... contraceptives • Hyperthyroid ... #Diagnosis #Algorithm
Abnormal Lipid Profiles - Differential Diagnosis Algorithm

Increased Cholesterol and Triglycerides 
 - Genetic Causes
- Differential ... Diagnosis Algorithm ... Diabetes • Hypothyroidism ... Deficiency • Primary ... Causes • Hypothyroid
Hyperthyroidism Overview

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
• Insomnia Primary ... goiter • Toxic diffuse ... T3 • ↑ Free T4 ... Glucocorticoids: Reduce T4 ... causes #diagnosis #differential
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Volume (MCV) - Differential ... Diagnosis Algorithm ... Reticulocytosis • Primary ... Anemias (MAHA) - Abnormal ... Cancer • Hypothyroid
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Hypercalcemia - Differential ... Diagnosis Algorithm ... Elevated PTH (High or normal ... ): • Primary Hyperparathyroidism ... Bone Resorption: Hyperthyroid
Gynecomastia - Differential Diagnosis Algorithm
No Testicular Mass on Ultrasound
 • Adrenal Neoplasm
 • Increased Extraglomerular Aromatase
Gynecomastia - Differential ... Diagnosis Algorithm ... Tumor Increased T4 ... Decreased TSH • Hyperthyroidism ... T4 and TSH •