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

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Autoimmune Hemolytic ... Anemia (AIHA) - ... Differential Diagnosis ... #Autoimmune #Hemolytic ... #Anemia #AIHA #
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Intravascular Hemolysis ... and RES-mediated hemolysis ... • Cold AIHA ... Intravascular - Hemolysis ... immune-complex hemolytic
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Framework for Hemolysis ... Intravascular Hemolysis ... Microangiopathic hemolytic ... purpura (TTP), Hemolytic ... Extravascular #Causes #differential
Autoimmune Hemolytic Anemia (AIHA) Pathophysiology - Warm vs Cold AIHA
Warm AIHA:
 - 70%; IgG mediated
 -
Autoimmune Hemolytic ... Anemia (AIHA) Pathophysiology ... - Warm vs Cold ... #Autoimmune #Hemolytic ... #Anemia #Pathophysiology
Autoimmune Hemolytic Anemia (AIHA)

WARM AHA
- Primary - Idiopathics
- Secondary
Infectious
 • Viral- HIV, EBV, HCV, HEV
 •
Autoimmune Hemolytic ... Anemia (AIHA) ... #Autoimmune #Hemolytic ... #Anemia #AIHA # ... Diagnosis #Differential
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... Autoimmune: Warm AIHA ... , Cold AIHA, Transfusion ... Defects: Sickle cell anemia ... Urobilinogen #Hemolysis
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Diagnosis: • hemolytic ... anemiaCold ... • Compensated hemolysis ... intravascular hemolysis ... agglutinin #disease #hemolytic
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
for Hemolytic Anemia ... Hypersplenism • AIHA ... : warm, cold, drug ... udaygulati #Hemolytic ... #Anemia #Differential
Paraproteinemias

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