14 results
Gynecomastia - Differential Diagnosis a
nd Workup Algorithm
Gynecomastia is common in clinical practice, affecting ~50% of males
Gynecomastia - Differential ... Diagnosis a nd Workup ... affecting ~50% of males ... Labs: TSH, Cr, LFTs ... #Algorithm #endocrinology
Hypoglycemia Workup and Differential Diagnosis
Workup:
 • Sulfonylurea Labs
 • Anti-lnsulin Ab - Insulin Autoimmune Syndrome
 •
and Differential ... • Sulfonylurea Labs ... metabolic demand causes ... 30 mins later - Normally ... Diagnosis #insulinoma #endocrinology
Hypercalcemia Evaluation
1) Clinical clues
 - Is the patient symptomatic?
 - Family history?
 - Have you done
Evaluation 1) Clinical clues ... • If all normal ... Hypercalcemia #workup ... #differential # ... diagnosis #endocrinology
Primary and Secondary Causes of Hypertension - Differential Diagnosis Algorithm
Primary (Essential) (95%) - Onset between age
- Differential ... Diagnosis Algorithm ... Mislabelled - Repeatedly normal ... taken at home, work ... #Diagnosis #Algorithm
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Diagnosis Algorithm ... Weakness, fatigue, nausea ... insufficiency • Low or normal ... baseline ACTH - Secondary ... #endocrinology
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Hyperthyroidism: Work-up ... Can repeat labs ... T3 → Central (secondary ... Hyperthyroidism #algorithm ... #diagnosis #endocrinology
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
Diagnosis Algorithm ... Hemoglobin: • Males ... Polycythemia Vera Secondary ... Polycythemia - Acquired Causes ... ), TEMPI (VEGF normal
Hypocalcemia - Differential Diagnosis Algorithm
 • Low Serum Mg: GI losses, Renal losses, Alcoholism, Malnutrition, Drug-Induced
Hypocalcemia - Differential ... Diagnosis Algorithm ... Level Elevated - Secondary ... Inappropriately Normal ... #causes
Gynecomastia - Differential Diagnosis Algorithm
No Testicular Mass on Ultrasound
 • Adrenal Neoplasm
 • Increased Extraglomerular Aromatase
Gynecomastia - Differential ... Diagnosis Algorithm ... Germ Cell Tumor Normal ... • Non-Tumor Secondary ... #causes #endocrinology
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Causes of Secondary ... and Differential ... previously stable values ... Vasculitis • Endocrinologic ... #causes #Differential