8 results
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
• Low TSH, Low normal ... Can repeat labs ... T3 → Central (secondary ... #algorithm #diagnosis ... #endocrinology
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
and Focal) Differential ... Diagnosis Algorithm ... • Hyperthyroidism ... - Drugs • Oral ... #Differential #
Gynecomastia - Differential Diagnosis Algorithm
No Testicular Mass on Ultrasound
 • Adrenal Neoplasm
 • Increased Extraglomerular Aromatase
Gynecomastia - Differential ... Diagnosis Algorithm ... Decreased TSH • Hyperthyroidism ... • Non-Tumor Secondary ... #causes #endocrinology
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
Diagnosis Algorithm ... Hemoglobin: • Males ... Polycythemia Vera Secondary ... ), TEMPI (VEGF normal ... #hematology
Hyperthyroidism Overview

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
goiter • Toxic diffuse ... thyroiditis Secondary ... Hypotension • Labs ... causes #diagnosis #differential ... #endocrinology
Diffuse Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 • Lupus erythematosus
 • Lichen
Diffuse Hair Loss ... (Alopecia) - Differential ... Diagnosis Algorithm ... - Drugs • Oral ... #Differential #
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
permanent alopecia Differential ... Malignancy (e.g. hematologic ... pneumonitis • Diffuse ... enteropathy, and diffuse ... Cytopenias • Cardiac valve
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 ... Better call hematology ... exogenous, EPO levels: normal