8 results
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Function Tests in the Evaluation ... normal T4 +/- T3 ... : Work-up similar ... TSH, high T4 +/- T3 ... #algorithm #diagnosis
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
Hyperthyroidism ... low TSH, High T4/T3 ... ) - Diagnostic Algorithm ... #Hyperthyroidism ... #Hyperthyroid #
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
Laboratory Evaluation ... Thyroid Disease Hyperthyroidism ... high; in some cases ... disease course #hypothyroid ... #hyperthyroid #
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Differential Diagnosis Algorithm ... Endocrine • Hypothyroidism ... • Hyperthyroidism ... contraceptives • Hyperthyroid ... #causes
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Eosinophil Disorders ... Testing Algorithm ... during medical evaluation ... or workup for specific ... 1,500 cells/µL Workup
Diffuse Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 • Lupus erythematosus
 • Lichen
Diffuse Hair Loss ... Differential Diagnosis Algorithm ... • Hyperthyroidism ... contraceptives • Hyperthyroid ... #causes
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Hypertension - Workup ... Approach (when evaluation ... with electrolyte disorders ... Neurologic disorders ... #Hypertension #Workup
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Traction alopecia Diffuse ... • Endocrine: Hypothyroidism ... Scaling, pustules, crusts ... • Laboratory evaluation ... • Hormonal disorder