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

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Autoimmune Hemolytic ... Anemia (AIHA) - ... Agglutinin Disease ... #Anemia #AIHA # ... #Table #hematology
Autoimmune Hemolytic Anemia (AIHA) Pathophysiology - Warm vs Cold AIHA
Warm AIHA:
 - 70%; IgG mediated
 -
Autoimmune Hemolytic ... Anemia (AIHA) Pathophysiology ... - Warm vs Cold ... #Anemia #Pathophysiology ... #diagnosis #hematology
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Hemolytic Anemias ... Algorithm Signs ... of anemia and hemolysis ... Anemias (AIHAs) ... #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... anemia): ... )"Cold" (usually ... agglutin disease ... #hematology #anemia
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Cold Agglutinin ... Diagnosis: • hemolytic ... anemiaCold ... #hemolytic #anemia ... #hematology #diagnosis
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
- Differential Diagnosis ... • Cold AIHA ... anemia • ... #Differential #Diagnosis ... Algorithm #Causes #Hematology
Expected DAT Results in Autoimmune Hemolysis
DAT Negative Hemolysis
 • DAT Poly ( - ), IgG (
), C3d ( - ) WAIHA ... , C3d ( +/- ) Cold ... agglutinin disease ... ) Paroxysmal cold ... #hematology #diagnosis
Pathophysiology, Signs and Symptoms of Hemolytic Anemia

#Pathophysiology #Hemolytic #Anemia #hematology #diagnosis #signs #symptoms
Pathophysiology, ... Signs and Symptoms ... of Hemolytic Anemia ... #Hemolytic #Anemia ... #hematology #diagnosis
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... Diagnosis Framework ... , Cold AIHA, Transfusion ... Defects: Sickle cell anemia ... #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential Diagnosis ... Agglutination - Cold ... agglutinins disease ... #workup #hematology