7 results
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antibody refers ... Positive ANAAutoimmune ... (SLE), Systemic ... : Lupus (SLE), Systemic ... #patterns #rheumatology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
, Arthritis, myalgia ... months) and of autoantibodies ... months to years) Systemic ... Evolution: Chronic disease ... #table #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... • Anti-Ro/SSA autoantibodies ... rheumatologic diseases ... : • Symptoms limited ... #Systemic #Lupus
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
lupus erythematosus ... Symptoms (Sx) in ... ) pattern: antibodies ... vasculitis, and SLE ... differential #diagnosis #rheumatology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... lupus erythematosus ... antibody (ANA) ... ACE level, CXR, ANCA ... #laboratory #workup
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
diseases: - 10% ... DDX: • ANCA (Antineutrophil ... cytoplasmic antibody ... lupus erythematosus ... classification #rheumatology
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
RP-ILD), dermato-rheumatologic ... slow onset and pattern ... • Nonerosive arthritis ... Mechanic's hands Autoantibodies ... • Conduction system