10 results
Autoantibodies in Rheumatology
 • Lupus (SLE): ANA (anti-nuclear antibody), dsDNA (double-stranded DNA), Anti-Smith, Anti-Ro (SSA) and
• Lupus (SLE): ... others (RNP, aPL antibodies ... ribonucleoprotein) • RA: Rheumatoid ... Peptide (CCP) • Myositis ... #diagnosis #associations
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... Antibody refers to antibodies ... context of other symptoms ... Sjögren Syndrome, Myositis ... ANA #patterns #rheumatology
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Systemic Lupus (SLE ... Glomerulonephritis Myositis ... erythematosus #signs ... #symptoms #diagnosis ... #rheumatology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
anemia 4% - Myositis ... Auto-Antibodies ... autoantibodies #signs ... #symptoms #mimickers ... #differential #rheumatology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
noninflammatory Signs ... constitutional symptoms ... - Autoimmune Rheumatologic ... arthritis • SLE ... Symmetrical: • RA • SLE
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... of the affected joint ... double-stranded DNA antibodies ... level to exclude myositis ... diagnosis #testing #Rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
ANCA-associated vasculitis, rheumatoid ... Non-autoimmune rheumatologic ... Arthritis: • Joint ... arthropathy • 90% joints ... Induced Lupus: • Symptoms
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
RP-ILD), dermato-rheumatologic ... papules and Gottron sign ... ) • Shawl sign ... (also seen in association ... Syndrome: Fever, joint
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
vesicular eruption - Joints ... Diagnosis: Systemic rheumatic ... purpura: strong sign ... C-ANCA) pattern: antibodies ... vasculitis, and SLE
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis: • Systemic rheumatic ... diseases, such as SLE ... purpura: Strong sign ... • Progressive symptoms ... Differential #Diagnosis #Rheumatology