12 results
Autoantibodies in Rheumatology
 • Lupus (SLE): ANA (anti-nuclear antibody), dsDNA (double-stranded DNA), Anti-Smith, Anti-Ro (SSA) and
Autoantibodies in Rheumatology ... , Others: SRP, Mi ... Autoantibodies #Rheumatology ... #diagnosis #associations ... #table
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
Anti-dsDNA 60-80% Association ... Negative association ... Systemic #lupus #erythematosus ... #diagnosis #rheumatology ... #table #ANA
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
their Disease Associations ... ANA - Non-specific ... Autoantibodies #Associations ... diseases #diagnosis #table ... #rheumatology #
Features That Differentiate Acute Pericarditis from Myocardial Ischemia or Infarction and Pulmonary Embolism

In contrast to the
or Infarction and ... associated with rheumatologic ... systemic lupus erythematosus ... pain, such as MI ... Presentation #comparison #Table
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
of life Causes and ... clinical associations ... liquids The onset and ... Urticaria #diagnosis #rheumatology ... #comparison #table
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
with edema • Erythematous ... (in a V-sign), and ... erythematous auricular ... frequently described Association ... Dermatomyositis #rheumatology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Workup: - ANA ... Systemic Lupus Erythematosus ... Workup: - ANA ... sle #comparison #table ... #rheumatology #
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
well-described associations ... hematological and ... presenting with erythematous ... Classic association ... Erythemas #comparison #table
Inflammatory Myopathies
Dermatomyositis
 • Onset: Subacute
 • Pattern: Proximal
 • CK: Up to 50X ULN
 • Autoantibodies:
Anti-MDA5, anti-Mi ... Pattern: Proximal and ... diagnosis #comparison #rheumatology ... #table
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
New pulmonary and ... are infections and ... ischemia • Skin: Erythematous ... oligoclonal bands • MRI ... Differential #Diagnosis #Rheumatology