6 results
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
- Differential ... Diagnosis Algorithm ... • Cold AIHA ... anemia • ... #Causes #Hematology
Autoimmune Hemolytic Anemia (AIHA)

WARM AHA
- Primary - Idiopathics
- Secondary
Infectious
 • Viral- HIV, EBV, HCV, HEV
 •
Anemia (AIHA) ... Autoimmune • Lupus ... alpha-methyldopa COLD ... #Anemia #AIHA # ... #Algorithm
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
anemia): ... usually IgG) (e.g. lupus ... )"Cold" (usually ... Extravascular #Causes #differential ... #anemia
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... Agglutination - Cold ... #Anemia #Differential ... #workup #hematology ... #testing
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
women • 15% of AIHA ... anemiaCold ... Positive Coombs testing ... younger pts) Differential ... #anemia #hematology
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
Coagulopathy) SMZL: • AIHA ... • Coombs (-) hemolytic ... anemia due to cold ... IgG • Lupus anticoagulant ... #Monoclonal #Differential