21 results
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
Causes of Hypocomplementemia ... glomerulonephritis (>90%) S - Systemic ... Lupus Erythematosus ... Ann Marie Kumfer ... #Low #Complement
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
- Local and systemic ... antigen, leading to complement ... Complement activation ... systemic lupus ... Diagnosis #Reactions #Table
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 ... Workup: - ANA ... 80% - Low complement ... #lupus #Systemic
Systemic Lupus Erythematosus (SLE): Pathogenesis

 • Genetic factors (Mutations in HLA- DR2/HLA-DR3 genes, complement genes, cytokine
Systemic Lupus Erythematosus ... (SLE): Pathogenesis ... HLA-DR3 genes, complement ... Interaction btw genetic and ... #Lupus #Erythematosus
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
90% - Low complement ... months to years) Systemic ... Workup: - ANA ... 80% - Low complement ... #table #rheumatology
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
Systemic lupus ... lupus nephritis ... searched for when ANA ... autoantibodies #Systemic ... #rheumatology #table
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Summary table of ... they activate complement ... glomerulonephritis, Systemic ... lupus erythematosus ... #allergy #table
SLICC SLE Diagnostic Criteria - Systemic Lupus Erythematosus
Clinical and Immunologic Criteria

CLINICAL CRITERIA
 - ACUTE CUTANEOUS LUPUS
SLICC SLE Diagnostic ... Criteria - Systemic ... IMMUNOLOGIC CRITERIA - ANA ... anticoagulant - Low complement ... #Rheumatology #SLE
Type III Hypersensitivity: Pathogenesis and clinical findings
Definition: Small antigen-antibody complexes (produced from normal immune response to
Type III Hypersensitivity ... the cause: • Systemic ... Lupus • Erythematosus ... (SLE) If bacterial ... sickness #TypeIII #Type3
EULAR/ACR Classification Criteria for Systemic Lupus Erythematosus
Clinical Domains:
 • Constitutional domain: Fever
 • Cutaneous domain: Non-scarring
Classification Criteria for Systemic ... anticoagulant • Complement ... low C4, Low C3 and ... Classification #Criteria #SLE ... #Systemic #Lupus