11 results
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
; in some cases, ... iodine uptake; thyroid ... disease course #hypothyroid ... #hyperthyroid # ... differential #diagnosis
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Approach to Thyroid ... Function Tests ... symmetrically enlarged thyroid ... → Central (secondary ... Hyperthyroidism #algorithm
Approach to the Diagnosis of Hyperthyroidism - Differential Diagnosis and Workup Algorithm

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

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
goiter • Toxic diffuse ... thyroiditis Secondary ... T3 • ↑ Free T4 ... hyperthyroidism #causes ... #diagnosis #differential
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Diagnosis Algorithm ... Mellitus Liver Function ... failure/uremia TSH ... & T4: • Hypothyroidism ... Pruritus #primary #secondary
Algorithmic Approach to Hypothyroidism - Differential Diagnosis and Management Framework

Central Hypothyroidism (Secondary or tertiary) ↓TSH, ↓FT4
Algorithmic Approach ... Hypothyroidism - Differential ... Hypothyroidism (Secondary ... obtain TPOAb Euthyroid ... endocrinology #hypothyroid
Gynecomastia - Differential Diagnosis Algorithm
No Testicular Mass on Ultrasound
 • Adrenal Neoplasm
 • Increased Extraglomerular Aromatase
Gynecomastia - Differential ... Diagnosis Algorithm ... , Decreased TSH ... • Non-Tumor Secondary ... #causes #endocrinology
Pruritus - No Primary Skin Lesion - Differential Diagnosis Algorithm

Blood Glucose:
 • Diabetes Mellitus
Liver Function Tests/Enzymes:
Mellitus Liver Function ... failure/uremia TSH ... & T4: • Hypothyroidism ... #Pruritus #secondary ... #causes
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
and Focal) Differential ... Diagnosis Algorithm ... contraceptives • Hyperthyroid ... #Diagnosis #Algorithm ... #causes
Causes of Secondary Amenorrhea - Differential Diagnosis Algorithm
Absence of menses for more than 3 cycles or
Causes of Secondary ... Amenorrhea - Differential ... Diagnosis Algorithm ... estrogen: • Functional ... #Causes #OBGyn