6 results
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Positive ANAAutoimmune ... : The ANA patterns ... #ANA #patterns ... #rheumatology #diagnosis ... #differential
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... alopecia Differential ... Diagnosis: • ANCA-associated ... Serositis Labs: • ANA ... #Diagnosis #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 ... #erythematosus ... #diagnosis #rheumatology ... #table #ANA
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
often causes arthritis ... erythematosus, ... ) pattern: antibodies ... SLE) • Urinalysis ... #diagnosis #rheumatology
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Autoimmune Myositis ... • Anti-NXP2 (ANA ... (ANA present 80% ... #rheumatology # ... differential #diagnosis
Relapsing Polychondritis

What is it?
Recurrent inflammation of the cartilage in the body (Autoimmune disorder)

Who?
• Most frequently: 40
cartilage in the body (Autoimmune ... such as: • SLE ... Nonspecific ↑ ESR, CRP, ANA ... Polychondritis #rheumatology ... #diagnosis #management