29 results
Antinuclear Antibody Testing - Nuclear and Cytoplasmic Patterns
Nuclear Patterns:
 • Homogeneous pattern: 
   -
Antinuclear Antibody Testing ... pattern: - SLE ... Antinuclear #Antibody #Testing ... #differential #diagnosis ... #rheumatology
Autoantibodies in Rheumatology
 • Lupus (SLE): ANA (anti-nuclear antibody), dsDNA (double-stranded DNA), Anti-Smith, Anti-Ro (SSA) and
Autoantibodies in Rheumatology ... • Lupus (SLE): ... Autoantibodies #Rheumatology ... #diagnosis #associations ... #table
Thrombotic Microangiopathy - TTP VS HUS

Big picture points : Often hard to differentiate the two entities,
distinction has HUGE treatment ... and first-line treatment ... awaiting confirmatory testing ... thrombocytopenia #Comparison #Diagnosis ... #Table #Hematology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... should be obtained ... (to support a diagnosis ... laboratory #workup #diagnosis ... #testing #Rheumatology
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
RA Anti-dsDNA - SLE ... - Drug-induced SLE ... syndrome Anti-Scl ... Associations #diseases #diagnosis ... #table #rheumatology
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
Initial screening test ... • Specific for SLE ... severe disease Treatment ... #Summary #diagnosis ... #rheumatology #
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... smear, HIV/HCV testing ... K), H. pylori test ... , ANA (e.g., SLE ... Causes #Workup #hematology
Hemophagocytic Lymphohistiocytosis (HLH)
Definition: Overwhelming clinical syndrome associated with excessive macrophage activation and cytokine storm due to
testing for HLH-associated ... • Bicytopenia Treatment ... • Infection should ... #management #treatment ... #hematology
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
Highly specific for SLE ... clinically suspected, tests ... erythematosus #diagnosis ... #rheumatology # ... table #ANA
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Positive Coombs testing ... Hemoglobinuria (PCH ... Test: Donath-Landsteiner ... test #cold # ... hemolytic #anemia #hematology