12 results
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Hemolytic Anemias ... Signs of anemia ... Anemias (AIHAs) ... Anemias (AHAs) ... #hematology
Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Autoimmune Hemolytic ... Anemia (AIHA) - ... #Autoimmune #Hemolytic ... #Anemia #AIHA # ... Diagnosis #Table #hematology
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Differential Diagnosis Algorithm ... • Cold AIHA ... Complement-Mediated • Cold ... anemia • ... #Causes #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
Autoimmune Hemolytic Anemia (AIHA) Treatment
Warm AIHA:
1) Steroids - 1-2 mg/kg prednisone daily
   • Until
Anemia (AIHA) Treatment ... daily • Until Hgb ... azathioprine Cold ... #Anemia #AIHA # ... Treatment #management #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
anemia): ... )"Cold" (usually ... (e.g. primary cold ... differential #diagnosis #hematology ... #anemia
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... Autoimmune: Warm AIHA ... , Cold AIHA, Transfusion ... Defects: Sickle cell anemia ... Differential #Diagnosis #hematology
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Iron deficiency anemia ... Sideroblastic anemia ... anemia Stomatocyte ... differential #diagnosis #hematology ... #microscopy #atlas
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
Anemia Intrinsic ... Hypersplenism • AIHA ... : warm, cold, drug ... #Anemia #Differential ... classification #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... Differential Diagnosis Algorithm ... Agglutination - Cold ... #Anemia #Differential ... #workup #hematology