27 results
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Systemic Lupus Erythematosus ... (SLE) - Diagnosis ... nephritis, NPSLE ... Positive in 60-80% of cases ... #lupus #Systemic
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
lupus erythematosus ... Anti-dsDNA (in 70% of cases ... in drug-induced SLE ... seen in 30—70% of cases ... Antineutrophil #antibodies #diagnosis
Lupus Nephritis Primer
Class I - Minimal Mesangial
Class II - Mesangial Proliferative
Class Ill - Focal Proliferative
Class IV
Lupus Nephritis ... #Nephritis #SLE ... Classification #Classes ... #differential #diagnosis ... #management #nephrology
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Algorithm Vesicles ... • Bullous systemic ... lupus erythematous ... Vesiculobullous #SkinRash ... #Algorithm #causes
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... tract, and often causes ... inflammation Others: • Lupus ... lupus erythematosus ... , and SLE) • Urinalysis
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
pathophysiologic causes ... Post-strep GN, Lupus ... Nephritis, Cryoglobulinemia ... #differential #diagnosis ... #algorithm #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... Differential Diagnosis ... vasculitis, rheumatoid ... #Systemic #Lupus ... Erythematosus #Diagnosis
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
cases, drug-dependent ... Discontinuation of causal ... months to years) Systemic ... nephritis, NPSLE ... Positive in 60-80% of cases
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Nodosa (PAN), ANCA ... (SLE), Sarcoidosis ... (SPA) • Other Causes ... common bacterial causes ... Mycobacterial Causes
Lupus Nephritis - Diagnostic approach to kidney disease associated with systemic lupus erythematosus (SLE)
SLE patient develops
Lupus Nephritis ... - Diagnostic approach ... associated with systemic ... #Nephritis #diagnosis ... #algorithm #sle