8 results
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
Thyroid Disease Hyperthyroidism ... high; T4 normal ... free T4 normal; ... disease course #hypothyroid ... #hyperthyroid #
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
normal T4 → Possibly ... • Low TSH, normal ... T4 +/- T3 → Primary ... TSH, high T4 +/ ... #algorithm #diagnosis
Abnormal Serum TSH - Differential Diagnosis Algorithm
Increased TSH
 • Hypothyroidism
 • Sub-clinical Hypothyroidism
 • Recovery from
Abnormal Serum TSH ... Differential Diagnosis Algorithm ... • Hypothyroidism ... • Sub-clinical Hypothyroidism ... #Hypothyroid #Hyperthyroid
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Pruritus - Generalized ... Differential Diagnosis Algorithm ... failure/uremia TSH ... & T4: • Hypothyroidism ... • Hyperthyroidism
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
Hyperthyroidism ... (low TSH, High T4 ... ) - Diagnostic Algorithm ... #Hyperthyroidism ... #Hyperthyroid #
Pruritus - No Primary Skin Lesion - Differential Diagnosis Algorithm

Blood Glucose:
 • Diabetes Mellitus
Liver Function Tests/Enzymes:
failure/uremia TSH ... & T4: • Hypothyroidism ... • Hyperthyroidism ... Pruritus #secondary #systemic ... #generalized #dermatology
Gynecomastia - Differential Diagnosis Algorithm
No Testicular Mass on Ultrasound
 • Adrenal Neoplasm
 • Increased Extraglomerular Aromatase
Differential Diagnosis Algorithm ... Tumor Increased T4 ... , Decreased TSH ... • Hyperthyroidism ... T4 and TSH
Causes of Female Infertility - Differential Diagnosis Algorithm
Uterus - HSG or SHG or hysteroscopy:
 • Fibroids/polyps
Differential Diagnosis Algorithm ... Congenital Anomalies Normal ... /psychosis • Systemic ... Hypopituitarism: • Hypothyroidism ... Differential #Diagnosis #Algorithm