49 results
Autoantibodies in Rheumatology
 • Lupus (SLE): ANA (anti-nuclear antibody), dsDNA (double-stranded DNA), Anti-Smith, Anti-Ro (SSA) and
Autoantibodies in Rheumatology ... • Lupus (SLE): ... ANA (anti-nuclear ... Autoantibodies #Rheumatology ... #associations #table
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
Disease Associations ANA ... La) - Sjogren's syndrome ... Goodpasture's syndrome ... diseases #diagnosis #table ... #rheumatology #
Hydroxychloroquine Serum Measurement in SLE
 • Terminal elimination half-life = 40 days ([HCQI reflects long-term intake)
Measurement in SLE ... concentration: > 750ng/mL and ... 200ng/mL Best indications ... #rheumatology # ... levels #lupus #management
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Splenomegaly - CTD (SLE ... Kasabach-Merritt syndrome ... Associated - SLE ... Differential #Diagnosis #hematology ... #rheumatology #
Managing warfarin INR

Warfarin dosage must be individualized according to the patient's response to the drug, and
For most indications ... #management #algorithm ... pharmacology #treatment #medications ... #table #pharmacotherapy ... decisionaid #cardiology #hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
family history - Medications ... function test, ANA ... (e.g., SLE), anti-phospholipid ... or if a primary hematologic ... #Workup #hematology
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
Antinuclear (ANA ... block • Sjogren syndrome ... polymyositis overlap syndrome ... Summary #diagnosis #rheumatology ... #management
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Management Summary ... Workup: - ANA ... Positive in 60-80% of cases ... Usual therapeutic management ... #Summary #rheumatology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Workup: - ANA ... Workup: - ANA ... #comparison #table ... #rheumatology # ... diagnosis #management
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
searched for when ANA ... Association with both SLE ... overlap syndromes ... erythematosus #diagnosis #rheumatology ... #table #ANA