34 results
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Hemolytic Anemias ... : • Autoimmune ... • Extrinsic RBC ... • Intrinsic RBC ... #hematology
Pathophysiology of Hemolytic Anemia
 - Defects in RBC internal contents (thalassemia, hemoglobinopathies, and metabolic defects)
 -
of Hemolytic Anemia ... - Defects in RBC ... - Defects in RBC ... #Hemolytic #Anemia ... #hematology
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
Warm Antibody Autoimmune ... Hemolytic Anemia ... 1) DIAGNOSE AIHA ... ↑ LDH • Anti-RBC ... #Hemolytic #Anemia
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
- Differential Diagnosis ... Bleed • Hemolysis ... Polychromatic Macrocytes, RBC ... Spherocytes, RBC ... Algorithm #Causes #Hematology
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Red Blood Cell (RBC ... hemolytic anemia ... hemolytic anemia ... #differential #diagnosis ... #hematology #microscopy
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... anemia): ... • Intrinsic RBC ... #differential #diagnosis ... #hematology #anemia
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
2) External (RBC ... Membrane): - Autoimmune ... 3) Internal (RBC ... Defects: Sickle cell anemia ... #hematology
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
- Differential Diagnosis ... Cold AIHA • Alloimmune ... elliptocytosis - RBC ... anemia • ... Algorithm #Causes #Hematology
Common RBC Inclusions and Associations
 • Howell Jolly Bodies: Hyposplenism, Asplenism, Severe hemolytic anemia
 • Heinz
Common RBC Inclusions ... , Hemolytic anemia ... Sickle cell, MDS #RBC ... Inclusions #Bodies #diagnosis ... #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... hypertension • Unusual RBC ... acanthocytes - Consider RBC ... elliptocytosis, autoimmune ... #workup #hematology