7 results
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
their Disease Associations ... common in SLE, autoimmune ... microsomal) - Autoimmune ... Autoantibodies #Associations ... #table #rheumatology
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
of life Causes and ... clinical associations ... Autoimmune diseases ... Urticaria #diagnosis #rheumatology ... #comparison #table
Idiopathic Inflammatory Myopathies (IIM's)

RASH + MUSCLE WEAKNESS → Consider idiopathic inflammatory myopathies (IIM's)

 • Overlap Myositis
inflammatory myopathy ... that occurs in association ... features of another autoimmune ... connective tissue disease ... IIMs #diagnosis #rheumatology
Inflammatory Myopathies
Dermatomyositis
 • Onset: Subacute
 • Pattern: Proximal
 • CK: Up to 50X ULN
 • Autoantibodies:
Anti-MDA5, anti-Mi ... exclusion Necrotizing Autoimmune ... differential #diagnosis #comparison ... #rheumatology # ... table
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
early localized disease ... well-described associations ... Classic association ... PrathitKulkarni #Erythemas #comparison ... #table #differential
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
Predisposing conditions: Autoimmune ... heart valves • MRI ... - Infectious Diseases ... #Endocarditis #comparison ... Marantic #diagnosis #table
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Autoimmune Myositis ... RP-ILD), dermato-rheumatologic ... -1 antibodies (ANA ... (also seen in association ... #rheumatology #