373 results
Effect of Selected Diseases on Complement Levels - C3, C4
 • SLE C3 ↓ C4 ↓↓
Selected Diseases on Complement ... Levels - C3, C4 • SLE ... • Infection eg SBE ... ThePeanutKidney #Complement
Pulmonary Renal Syndromes and Mimics - Differential Diagnosis Framework
Diffuse alveolar hemorrhage + rapidly progressive glomerulonephritis
90%:
 -
Pulmonary Renal ... anti-GBM) 10%: - Low Complement ... Levels: SLE, Cryoglobulinemic ... Vasculitis - Normal Complement ... Kumfer @AnnKumfer #Pulmonary
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Erythematosus (SLE ... Diagnosis and Management ... 80% - Low complement ... Usual therapeutic management ... Erythematosus #Diagnosis #Management
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Induced Lupus vs SLE ... 90% - Low complement ... 80% - Low complement ... Usual therapeutic management ... rheumatology #diagnosis #management
Bronchiectasis: diagnosis and management 

Causes of localized -> diffuse bronchiectasis
Foreign body, Bronchial stenosis (tumor, .. ),
diagnosis and management ... RA, Sjögren, SLE ... Bronchiectasis #diagnosis #management ... workup #algorithm #pulmonary
Systemic Lupus Erythematosus (SLE): Pathogenesis

 • Genetic factors (Mutations in HLA- DR2/HLA-DR3 genes, complement genes, cytokine
Erythematosus (SLE ... HLA-DR3 genes, complement ... self-antigens, activating complement ... Erythematosus #SLE
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
staining): • Low Complement ... Idiopathic • Normal Complement ... With associated pulmonary
Atypical HUS - Hemolytic Uremic Syndrome
Unlike typical HUS, which is shigatoxin mediated, aHUS is not typically
autoimmune like SLE ... It is complement ... renal, cardiac, pulmonary ... with Eculizumab (complement
Humoral Immunity - Pathogenesis and Clinical Findings
Antigens (Ag) are produced from pathogens (bacteria, viruses, fungi, parasites)
activation • Complement ... tagged with C3 complement ... - Activate Complement ... classical pathway (see ... Complement Activation
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Spondyloarthropathies, SLE ... retinal exudates) - SLE ... Wilson's disease Pulmonary ... • Pulmonary ... nodules - RA, SLE