23 results
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
severe disease & renal ... block • Sjogren syndrome ... polymyositis overlap syndrome ... • Specific for SLE ... Summary #diagnosis #rheumatology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Differential Diagnosis Algorithm ... Autoimmune • ITP • SLE ... Non-lmmune: • HELLP Syndrome ... Differential #Diagnosis #Algorithm ... #Causes #Hematology
Hydroxychloroquine Serum Measurement in SLE
 • Terminal elimination half-life = 40 days ([HCQI reflects long-term intake)
Measurement in SLE ... Special cases (e.g. renal ... #Measurement #SLE ... #rheumatology # ... pharmacology #levels
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Differential Diagnosis Algorithm ... Metabolic • Renal ... Arthritis • SLE ... Myasthenia Gravis Pharmacologic ... Chronic Fatigue Syndrome
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
Behçet's Syndrome ... tests in Behcet syndrome ... Oral aphthae : SLE ... • Arthritis: SLE ... signs #symptoms #rheumatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Splenomegaly - CTD (SLE ... Kasabach-Merritt syndrome ... Gardner-Diamond syndrome ... Associated - SLE ... #rheumatology #
Factors that May Affect Fetal Oxygenation - Differential Diagnosis Algorithm

Excessive Uterine Activity:
 • Hyperstimulation
 • Placental
that May Affect Fetal ... Differential Diagnosis Algorithm ... Vasculopathy (SLE ... Antiphospholipid syndrome ... Differential #Diagnosis #Algorithm
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Systemic Lupus (SLE ... Demyelinating syndromes ... Abdominal pain (20%) Renal ... Thrombocytopenia #Lupus #SLE ... symptoms #diagnosis #rheumatology
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Differential Diagnosis Algorithm ... RA, SLE, PRV, Chronic ... Reticulocytosis • Renal ... Differential #Diagnosis #Algorithm ... #Causes #Hematology
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
in drug-induced SLE ... cases • Sjögren syndrome ... polyangiitis without renal ... ANCA+ 30-60% • Renal-limited ... antibodies #diagnosis #rheumatology