12 results
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Rheumatic Diseases ... • Rheumatic Diseases ... Syndrome, Myositis ... #patterns #rheumatology ... #diagnosis #differential
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
ANA Patterns and ... Associated Rheumatic ... #Antibodies #ANA ... #patterns #rheumatology ... #diagnosis #differential
Autoantibodies in Rheumatology
 • Lupus (SLE): ANA (anti-nuclear antibody), dsDNA (double-stranded DNA), Anti-Smith, Anti-Ro (SSA) and
Rheumatology • ... Lupus (SLE): ANA ... others (RNP, aPL antibodies ... ribonucleoprotein) • RA: Rheumatoid ... #Rheumatology #
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
ANA (Antinuclear ... ) • Systemic lupus ... #Antinuclear #Antibody ... #antibodies #diagnosis ... #rheumatology #
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Nodosa (PAN), ANCA ... vasculitis (rare) • Rheumatic ... (IgG4-RD), Rheumatoid ... Systemic lupus ... #Diagnosis #rheumatology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Systemic Lupus Erythematosus ... : - ANA 95-100% ... Diagnosis and Lupus ... #Diagnosis #autoantibodies ... #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... Diagnosis: • ANCA-associated ... vasculitis, rheumatoid ... • (-) ANA + (+ ... #Diagnosis #Rheumatology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... lupus erythematosus ... antibody (ANA) ... #Disease #Rheumatoid ... #testing #Rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Diagnosis: Systemic ... rheumatic diseases ... lupus erythematosus ... ) pattern: antibodies ... #diagnosis #rheumatology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• Autoimmune diseases ... Elevated serum rheumatoid ... lupus erythematosus ... (SLE), rheumatoid ... classification #rheumatology