11 results
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
TSH, Low normal ... • Low TSH, normal ... Can repeat labs ... Hyperthyroidism #algorithm ... #diagnosis #endocrinology
Breast Discharge - Differential Diagnosis Algorithm
High Prolactin + Normal TSH
 • Microprolactinoma
 • Steroid Hormone Intake
Diagnosis Algorithm ... High Prolactin + Normal ... / Low TSH • Pituitary ... #Endocrinology ... #Causes
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Hypercalcemia - Differential ... Diagnosis Algorithm ... Elevated PTH (High or normal ... Hypercalcemia Low ... #causes #endocrinology
Gynecomastia - Differential Diagnosis a
nd Workup Algorithm
Gynecomastia is common in clinical practice, affecting ~50% of males
Gynecomastia - Differential ... affecting ~50% of males ... How to approach? ... Labs: TSH, Cr, LFTs ... #endocrinology
Hyperthyroidism - Differential Diagnosis Algorithm
High/Normal Radioiodine Uptake
 - Autoimmune Thyroid Disease:
    • Grave's
Diagnosis Algorithm ... High/Normal Radioiodine ... Trophoblastic Neoplasm Low ... #endocrinology ... #causes
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Insufficiency Differential ... Diagnosis Algorithm ... Weakness, fatigue, nausea ... or normal baseline ... #endocrinology
Hypocalcemia - Differential Diagnosis Algorithm
 • Low Serum Mg: GI losses, Renal losses, Alcoholism, Malnutrition, Drug-Induced
Hypocalcemia - Differential ... Diagnosis Algorithm ... Inappropriately Normal ... #Diagnosis #Algorithm ... #causes
Hirsutism & Virilization - Differential Diagnosis Algorithm
ADRENAL EXCESS
Ovarian
 • Polycystic Ovarian Syndrome
 • Hyperthecosis
 • Tumor
Adrenal
Diagnosis Algorithm ... Syndrome Tumor Low ... Idiopathic Hirsutism - Normal ... #endocrinology ... #causes
Hypercalcemia Evaluation
1) Clinical clues
 - Is the patient symptomatic?
 - Family history?
 - Have you done
Evaluation 1) Clinical clues ... FeCa <1 %) - Low ... normal? ... Hypercalcemia #workup #differential ... #diagnosis #endocrinology
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Polycythemia - Differential ... Diagnosis Algorithm ... that a one-off value ... levels: realllly low ... exogenous, EPO levels: normal