33 results
Autoantibodies in Rheumatology
 • Lupus (SLE): ANA (anti-nuclear antibody), dsDNA (double-stranded DNA), Anti-Smith, Anti-Ro (SSA) and
Autoantibodies in Rheumatology ... • Lupus (SLE): ... others (RNP, aPL antibodies ... Autoantibodies #Rheumatology ... #table
Myositis Specific Antibodies (MSAs)

Dermatomyositis: MDA5, TIF1y, NXP2, Mi-2, SAE
Anti-Synthetase Syndrome: Jo-1, PL7, PL12, EJ, OJ
Immune Mediated
Myositis Specific Antibodies ... TIF1y, NXP2, Mi-2, SAE ... MSAs #clinical #diagnosis ... #rheumatology # ... table
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
- Drug-induced SLE ... syndrome Anti-Scl ... Associations #diseases #diagnosis ... #table #rheumatology ... #antibodies
Antinuclear Antibody Testing - Nuclear and Cytoplasmic Patterns
Nuclear Patterns:
 • Homogeneous pattern: 
   -
pattern: - SLE ... pattern: - SjS, SLE ... body-like: - Neurologic ... #differential #diagnosis ... #rheumatology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... double-stranded DNA antibodies ... should be obtained ... (to support a diagnosis ... #testing #Rheumatology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... , ANA (e.g., SLE ... anti-phospholipid antibodies ... (CVID, WAS), (neurologic ... Causes #Workup #hematology
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
Initial screening test ... • Specific for SLE ... severe disease Treatment ... #Summary #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 ... clinically suspected, tests ... erythematosus #diagnosis ... #rheumatology # ... table #ANA
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
rheumatoid arthritis, SLE ... myasthenia Diagnosis ... Bedside: ice pack test ... /Edrophonium test ... #management #neurology
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
Antineutrophil cytoplasmic antibodies ... in drug-induced SLE ... scleroderma) - Anti-Scl ... Antineutrophil #antibodies ... #diagnosis #rheumatology