8 results
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
Cold Urticaria Prevalence ... of life Causes and ... clinical associations ... #diagnosis #rheumatology ... #comparison #table
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
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
Anti-dsDNA 60-80% Association ... searched for when ANA ... Negative association ... erythematosus #diagnosis #rheumatology ... #table #ANA
Hydroxychloroquine - Risks and Benefits in Lupus
Benefits:
↓ Disease activity, ↓ Flare, ↓ Damage, ↓ Corticosteroid dose,
Prolonged QTc (association ... cases reported and ... abnormalities and ... aquagenic urticaria ... #sideeffects #rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
oligoclonal bands • MRI ... Hypocomplementemia: Urticarial ... Hypocomplementemic Urticarial ... maculopapular lesions, urticaria ... Differential #Diagnosis #Rheumatology
Inflammatory Myopathies
Dermatomyositis
 • Onset: Subacute
 • Pattern: Proximal
 • CK: Up to 50X ULN
 • Autoantibodies:
Anti-MDA5, anti-Mi ... Pattern: Proximal and ... diagnosis #comparison #rheumatology ... #table
Features That Differentiate Acute Pericarditis from Myocardial Ischemia or Infarction and Pulmonary Embolism

In contrast to the
or Infarction and ... , by coughing, and ... associated with rheumatologic ... pain, such as MI ... Presentation #comparison #Table