26 results
Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Autoimmune Hemolytic Anemia ... - Differential Diagnosis ... Table Warm AIHA ... AHA (16-32%) • ... #Table #hematology
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
SLICC SLE Diagnostic Criteria - Systemic Lupus Erythematosus
Clinical and Immunologic Criteria

CLINICAL CRITERIA
 - ACUTE CUTANEOUS LUPUS
SLICC SLE Diagnostic ... IMMUNOLOGIC CRITERIA - ANA ... reference range (or 2-fold ... Direct Coombs’ test ... #Diagnosis #Rheumatology
Hemolysis - Diagnostic Algorithm and Causes

Increased red cell production: 
 • Increased Reticulocytosis/polychromasia 
 • Erythroid
Hemolysis - Diagnostic ... Hemolysis #Hemolytic #Anemia ... Differential #Causes #Workup ... #Hematology #Diagnosis ... GrepMed Recommended Text
Warm vs Cold Autoimmune Hemolytic Anemia
Warm Autoimmune Hemolytic Anemia:
 • Mechanism: IgG and Complement-mediated
 • Etiology:
Warm vs Cold Autoimmune ... Mechanism: IgG and ... Mechanism: IgM and ... #hematology #diagnosis ... #comparison
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
• Symptoms of anemia ... anemiaCold ... Test: Donath-Landsteiner ... test #cold # ... #hematology #diagnosis
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
Disorientation, vertigo Diagnostic ... test, TempTest ... #Urticaria #diagnosis ... #rheumatology # ... comparison #table
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
- Differential Diagnosis ... Warm AIHA • Cold ... AIHA • PCH ... immune-complex hemolytic anemia ... Algorithm #Causes #Hematology
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Autoimmune: Warm AIHA, Cold ... Drug-associated, PCH ... Defects: Sickle cell anemia ... Laboratory Tests ... #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... usually IgG) (e.g. lupus ... (e.g. primary cold ... disease, Copper and ... #hematology #anemia