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

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Autoimmune Hemolytic ... Anemia (AIHA) - ... Disease Mixed-type ... AIHA (7-8%) DAT-negative ... #Autoimmune #Hemolytic
Autoimmune Hemolytic Anemia (AIHA) Pathophysiology - Warm vs Cold AIHA
Warm AIHA:
 - 70%; IgG mediated
 -
Autoimmune Hemolytic ... - Warm vs Cold AIHA ... IgG mediated - DAT ... IgM mediated - DAT ... #Autoimmune #Hemolytic
Hemolytic Anemia - Differential Diagnosis Algorithm
Hereditary:
 • Peripheral blood smear + DAT + further History
 •
Hemolytic Anemia ... Differential Diagnosis Algorithm ... Immune mediated hemolysis ... Microangiopathic hemolytic ... Differential #Diagnosis #Algorithm
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Differential Diagnosis Algorithm ... Immune-Mediated • Warm AIHA ... • Cold AIHA ... • Drug-induced AIHA ... Differential #Diagnosis #Algorithm
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Hemolytic Anemias ... Differential Diagnosis Algorithm ... of anemia and hemolysis ... Anemias (AIHAs) ... Differential #Diagnosis #Algorithm
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
Antibody Autoimmune Hemolytic ... 1) DIAGNOSE AIHA ... reticulocytes • Hemolysis ... Coombs • IgG type ... screening 3) TREAT AIHA
Autoimmune Hemolytic Anemia (AIHA)

WARM AHA
- Primary - Idiopathics
- Secondary
Infectious
 • Viral- HIV, EBV, HCV, HEV
 •
Autoimmune Hemolytic ... Anemia (AIHA) ... #Autoimmune #Hemolytic ... #Anemia #AIHA # ... #Differential #Algorithm
Expected DAT Results in Autoimmune Hemolysis
DAT Negative Hemolysis
 • DAT Poly ( - ), IgG (
in Autoimmune Hemolysis ... DAT Negative Hemolysis ... • DAT Poly ( ... ), C3d ( - ) WAIHA ... #Autoimmune #Hemolysis
Hemolysis Classification - Intrinsic and Extrinsic Causes

Commentary: Another way to think of immune hemolysis would be
Hemolysis Classification ... think of immune hemolysis ... , hemolytic transfusion ... #Classification ... Diagnosis #Causes #Algorithm
Types of hypersensitivity reactions

Type I - lgE-Mediated, Within I Hour (Anaphylaxis)
Type II - IgG or IgM
reactions Type ... (Anaphylaxis) Type ... Hours to Days (Hemolytic ... Anemia) Type ... #Classification