13 results
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
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
with disease activity ... with auto-immune diseases ... Systemic #lupus #erythematosus ... #diagnosis #rheumatology ... #table #ANA
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
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
clinical associations ... Disorientation, vertigo Diagnostic ... Cold #Urticaria #diagnosis ... #rheumatology # ... comparison #table
Features That Differentiate Acute Pericarditis from Myocardial Ischemia or Infarction and Pulmonary Embolism

In contrast to the
associated with rheumatologic ... systemic lupus erythematosus ... pain, such as MI ... Presentation #comparison #Table ... #Diagnosis
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
with edema • Erythematous ... severity of the disease ... frequently described Association ... Dermatomyositis #rheumatology ... #dermatology #diagnosis
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
well-described associations ... presenting with erythematous ... Classic association ... Erythemas #comparison #table ... #differential #diagnosis
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Systemic Lupus Erythematosus ... Evolution: Chronic disease ... sle #comparison #table ... #rheumatology # ... diagnosis #management
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
- Differential Diagnosis ... Vasculitis Differential Diagnosis ... ischemia • Skin: Erythematous ... oligoclonal bands • MRI ... #Rheumatology
Diagnostic Criteria for Sweet Syndrome (Acute Febrile Neutrophilic Dermatosis)
Major criteria 
 1. Abrupt onset of tender
Diagnostic Criteria ... onset of tender erythematous ... Association with ... inflammatory disease ... #Hematology #Dermatology