401 results
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Post-strep GN, Lupus ... Henoch-SchonIein Purpura Anti-GBM ... Limited to Kidney: Anti-GBM ... pulmonary involvement: Anti-GBM ... Disease (Goodpasture's
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Complex: Systemic lupus ... sclerosis • Anti-Glomerular ... Basement Membrane: Goodpasture's ... ab, anti-GBM ab ... , ANA, C3, C4, anti-CCP
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Systemic Lupus Erythematosus ... 5-10% - Anti- ... Diagnosis and Lupus ... : Drug-induced lupus ... SLE #Systemic #Lupus
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
antibodies and Systemic lupus ... Farr assay) and lupus ... & drug-induced lupus ... SCLE, neonatal lupus ... Sjogren and neonatal lupus
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
- SLE Anti-histone ... (AMA), Anti-sp100 ... - SLE Anti-SSA ... (Ro), Anti-SSB ( ... - Goodpasture's
I’M DAMN SHARP - Lupus Diagnosis Mnemonic
I  	 Immunoglobulins (Anti-dsDNA, Anti-Sm, Anti-phospholipid)
M 	 Malar Rash
D
M DAMN SHARP - Lupus ... Immunoglobulins (Anti-dsDNA ... , Anti-Sm, Anti-phospholipid ... sle #systemic #lupus
Autoantibodies in Rheumatology
 • Lupus (SLE): ANA (anti-nuclear antibody), dsDNA (double-stranded DNA), Anti-Smith, Anti-Ro (SSA) and
Rheumatology • Lupus ... , Anti-Ro (SSA) ... and Anti-La (SSB ... glycoprotein I (ß2GP), Lupus ... (SSA), Anti-La
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Drug Induced Lupus ... Drug Induced Lupus ... Epidemiology: -10% of all lupus ... years) Systemic Lupus ... , oral ulcers, Lupus
EULAR/ACR Classification Criteria for Systemic Lupus Erythematosus
Clinical Domains:
 • Constitutional domain: Fever
 • Cutaneous domain: Non-scarring
Criteria for Systemic Lupus ... Acute cutaneous lupus ... IgG > 40 GPL or anti-ß2GPI ... antibodies domain: Anti-dsDNA ... antibody, Anti-Sm
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Systemic Lupus Erythematosus ... , oral ulcers, Lupus ... ANA > - Anti-ENA ... to 30% - Anti-dsDNA ... Lupusreference #SLE #lupus