28 results
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
T4 → Possibly Central ... Low TSH, high T4 ... TSH, high T4 +/ ... #algorithm #diagnosis ... endocrinology #TFTs #TSH #Interpretation
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
Thyroid Disease Hyperthyroidism ... high; in some cases ... disease course #hypothyroid ... #hyperthyroid # ... differential #diagnosis
Abnormal Serum TSH - Differential Diagnosis Algorithm
Increased TSH
 • Hypothyroidism
 • Sub-clinical Hypothyroidism
 • Recovery from
Abnormal Serum TSH ... - Differential ... Diagnosis Algorithm ... #Diagnosis #Algorithm ... #Hypothyroid #Hyperthyroid
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
and Focal) Differential ... Diagnosis Algorithm ... • Hyperthyroidism ... contraceptives • Hyperthyroid ... #causes
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Diagnosis Algorithm ... Systemic and Primary Causes ... /uremia TSH & T4 ... : • Hypothyroidism ... #causes
Abnormal Lipid Profiles - Differential Diagnosis Algorithm

Increased Cholesterol and Triglycerides 
 - Genetic Causes
Abnormal Lipid Profiles ... - Differential ... Diagnosis Algorithm ... Diabetes • Hypothyroidism ... • Hypothyroid
Gynecomastia - Differential Diagnosis Algorithm
No Testicular Mass on Ultrasound
 • Adrenal Neoplasm
 • Increased Extraglomerular Aromatase
Gynecomastia - Differential ... Diagnosis Algorithm ... Decreased TSH • Hyperthyroidism ... T4 and TSH • ... #causes #endocrinology
Diffuse Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 • Lupus erythematosus
 • Lichen
Diffuse Hair Loss ... (Alopecia) - Differential ... Diagnosis Algorithm ... contraceptives • Hyperthyroid ... #causes
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Causes of Anemia ... Volume (MCV) - Differential ... Diagnosis Algorithm ... Anemias (MAHA) - Abnormal ... Cancer • Hypothyroid
Hyperthyroidism Overview

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
goiter • Toxic diffuse ... T3 • ↑ Free T4 ... Glucocorticoids: Reduce T4 ... #causes #diagnosis ... #differential #