13 results
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Hemolytic Anemias ... Anemias (AIHAs) ... • Extrinsic RBC ... • Intrinsic RBC ... Diagnosis #Algorithm #hematology
Autoimmune Hemolytic Anemia (AIHA) Pathophysiology - Warm vs Cold AIHA
Warm AIHA:
 - 70%; IgG mediated
 -
Autoimmune Hemolytic ... Anemia (AIHA) Pathophysiology ... #Autoimmune #Hemolytic ... #Anemia #Pathophysiology ... #diagnosis #hematology
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Causes of Extravascular ... elliptocytosis - RBC ... anemia • ... Diagnosis #Algorithm #Causes ... #Hematology
Pathophysiology of Hemolytic Anemia
 - Defects in RBC internal contents (thalassemia, hemoglobinopathies, and metabolic defects)
 -
Pathophysiology ... of Hemolytic Anemia ... - Defects in RBC ... #Hemolytic #Anemia ... #hematology
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Causes of Anemia ... Bleed • Hemolysis ... Microangiopathic Hemolytic ... Diagnosis #Algorithm #Causes ... #Hematology
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
AIHAAnemia ... ↑ LDH • Anti-RBC ... 2) LOOK FOR a cause ... screening 3) TREAT AIHA ... management #treatment #rheumatology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... anemia): ... • Intrinsic RBC ... 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
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
Diagnosis for Hemolytic ... Anemia Intrinsic ... Hypersplenism • AIHA ... #Anemia #Differential ... classification #hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
women • 15% of AIHA ... • Symptoms of anemia ... anemia • Cold ... Blood smear - RBC ... #anemia #hematology