10 results
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antibody refers ... Disease! ... : Lupus (SLE), Systemic ... #rheumatology #diagnosis ... #differential
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
connective tissue disease ... 90% • Anti-GBM disease ... #antibodies #diagnosis ... #rheumatology # ... diseases
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
(SLE) - Diagnosis ... • Immunologic Workup ... : - ANA > ... Evolution: Chronic disease ... #rheumatology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... PT, aPTT(liver disease ... bypass), LFT (liver disease ... #Diagnosis #Causes ... #Workup #hematology
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Summary table of ... lgE causes mast-cell ... Action: IgG/lgM antibodies ... reaction, Haemolytic disease ... Examples: Contact dermatitis
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
• Immunologic Workup ... Discontinuation of causal ... Evolution: Chronic disease ... #table #rheumatology ... #diagnosis #management
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... Studies in Rheumatic Diseases ... connective-tissue disease ... #Rheumatic #Disease ... #Rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
(Granulomatous disease ... rheumatic diseases ... atherosclerotic disease ... most important diseases ... #diagnosis #rheumatology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Cryoglobulinemia Summary ... • Autoimmune diseases ... cytoplasmic antibody ... (e.g. systemic lupus ... classification #rheumatology
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
), RA, crystal disease ... Inflammatory, crystalline disease ... Chronic = RA, SLE ... Joint #Pain #MSK #rheumatology ... #differential #