8 results
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
ANA (Antinuclear ... in drug-induced SLE ... Jcortesizaguirr #ANA ... #antibodies #diagnosis ... #rheumatology #
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... (SLE), Sjogren's ... , Interstitial Pulmonary ... #Antibodies #ANA ... #patterns #rheumatology
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
Antinuclear antibodies ... searched for when ANA ... #autoantibodies ... #diagnosis #rheumatology ... #table #ANA
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
often causes arthritis ... LFT • ESR • ANA ... ) pattern: antibodies ... , and SLE) • Urinalysis ... #rheumatology #
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
• Anti-Ro/SSA autoantibodies ... : • ANCA-associated ... dermatomyositis, Sjogren ... Arthritis: • Joint pain ... #Diagnosis #Rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
diseases, such as SLE ... ischemia • Skin: Erythematous ... tract: Abdominal pain ... often causes arthritis ... #Rheumatology
Sjogren's Syndrome Overview

Epidemiology:
• F > M: 9:1
• 5-6th Decades (can be any age)

Autoimmune exocrinopathy multisystemic disease
overlaps with RA, SLE ... ab • RF • Antinuclear ... , INC risk PE, Pulmonary ... ) • Cutaneous vasculitis ... #Syndrome #Rheumatology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
(SLE) - Antinuclear ... antibody (ANA) ... antibodies, which ... ACE level, CXR, ANCA ... #testing #Rheumatology