5 results
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
biliary cirrhosis (PBC ... Celiac disease Anti-GBM ... diseases #diagnosis #table ... #rheumatology # ... antibodies
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
[PCH] 3. ... - Mycoplasma, EBV ... younger pts) Differential ... Disorders Such As ... hemolytic #anemia #hematology
Elevated Globulin - Protein Gap (Total Protein - Albumin > 4)

Work-up of an Elevated Globulin Gap:
•
Include: • Viral infections ... acute HIV, HBV, EBV ... Sarcoidosis) • Liver ... Gap #ProteinGap #differential ... #diagnosis #hematology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... glomerulonephritis) • Anti-GBM ... to exclude are infections ... C-ANCA) pattern: antibodies ... #diagnosis #rheumatology
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Autoimmune Myositis - Differential ... Tenderness → Consider infectious ... RP-ILD), dermato-rheumatologic ... • ANA < 20 % IBM ... #differential #