12 results
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
ANA (Antinuclear ... antibodies) • Systemic ... Jcortesizaguirr #ANA ... #antibodies #diagnosis ... #rheumatology #
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... (ANA) ANA or Anti-NucIear ... context of other symptoms ... #patterns #rheumatology ... #diagnosis #differential
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Systemic Lupus Erythematosus ... (SLE) - Diagnosis ... - CRP: Usually normal ... Workup: - ANA ... Management #Summary #rheumatology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Workup: - ANA ... Discontinuation of causal ... Workup: - ANA ... #rheumatology # ... diagnosis #management
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... < 30 years - Aorta ... Symptoms (Sx) in ... LFT • ESR • ANA ... #rheumatology #
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
and Systemic lupus ... searched for when ANA ... erythematosus #diagnosis ... #rheumatology # ... table #ANA
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Symptoms (SX) in ... < 30 years • Aorta ... fluid (CSF) is abnormal ... tract, and often causes ... #Rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
laboratory findings (ANA ... Induced Lupus: • Symptoms ... Serositis Labs: • ANA ... antibodies • (-) ANA ... #Rheumatology
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
those coming off aorta ... 50 in GCA, but normal ... them, but urgent rheumatology ... absence of visual symptoms ... Temporal #Signs #Symptoms
Drug Induced Lupus (DIL)
 • Epidemiology: -10% of all lupus cases, drug-dependent, 4:1 to 1:1 F:M
CRP - Usually normal ... Workup: - ANA ... Discontinuation of causal ... DrugInduced #Lupus #DIL #rheumatology ... #diagnosis #treatment