39 results
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
ANA (Antinuclear ... in drug-induced SLE ... Jcortesizaguirr #ANA ... Antineutrophil #antibodies #diagnosis ... #rheumatology #
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
(SLE) - Diagnosis ... • Immunologic Workup ... : - ANA > ... life-threatening • Treatment ... Management #Summary #rheumatology
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
ANA Patterns and ... erythematosus (SLE ... Antinuclear #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
• Lupus (SLE): ... ANA (anti-nuclear ... • Scleroderma (Systemic ... Polymerase Ill • ANCA ... perinuclear), C-ANCA
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
: - ANA > ... months to years) Systemic ... : - ANA > ... comparison #table #rheumatology ... #diagnosis #management
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
) ANA or Anti-NucIear ... Positive ANA ≠ Autoimmune ... • +ANA can be seen ... The higher the ANA ... often not specific ANA
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
Systemic Lupus Erythematosus ... Antinuclear (ANA ... severe disease Treatment ... #Summary #diagnosis ... #rheumatology #
Top 10 situations when to think about lupus
1) Inflammatory joint pain (especially in the wrists and
pericarditis (search ANA ... pleurisy (search ANA ... person (search ANA ... cytopenia (search ANA ... #sle #clues #system
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
often causes arthritis ... • GCA: - Aorta ... LFT • ESR • ANA ... SLE) • Urinalysis ... #rheumatology #
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Algorithm and Differential ... Diagnosis Baseline ... Glomerulonephritis / Vasculits: ANCA ... , ANA, Anti-GBM, ... #causes