Anemia Lab Investigations Flashcards
What is anemia due to blood loss called?
Polychromasia
What’s the most common type of anemia?
Iron deficiency anemia
What does peripheral blood examination of RBCs reveal?
Pencil cells, hypochromatic cells
What does megaloblastic anemia look like under peripheral examination?
Oval macrocytes and tear drop cells
What are aplastic anemia’s lab features?
Pancytopenia
What are aplastic anemia causes?
Genetic, drugs, radiation
What does bone marrow biopsy of aplastic anemia reveal?
Honeycomb appearance
How do we test for Hereditary spherocytosis?
Osmotic fragility test
Explain the osmotic fragility test
When increasingly hypnoticonic saline concentrations are added to red cells, spherocytes can’t expand and thus burst
How do we test for Thalassemia?
HB electrophoresis
What’s the commonest red cell enzymopathy?
G6PD deficiency anemia