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BD TLEAD 13 (Anemia) (RBC Decreased Production (Production Defect)…
BD TLEAD 13 (Anemia)
RBC
Decreased Production
(Production Defect)
Proliferation Disorder
Normocytic
Isolated decreased RBC
Renal dysfunction
Chronic Inflammation Anemia (e.g. RA, extensive trauma, connective tissue disorders, chronic infection)
Pure Red Cell Aplasia (PRCA)
Pancytopenia
Marrow infiltration (MDS or Malignancy e.g. Leukemia, lymphoma)
Aplastic Anemia
Maturation disorder
Macrocytic
(RBC synthesis defect)
Liver dysfunction, alcohol, drugs
Hypothyroidism
B12 / Folate deficiency (due to pernicious anemia or malabsorptive causes such as Crohn's, Coeliac disease & SBS)
Microcytic
(Hb synthesis defect)
Iron deficiency
Thalassemia
Sideroblastic anemia
RBC
Increased Loss
(Destruction/Loss)
Hemolysis
Hereditary/Congenital
Metabolism
G6PD deficiency
Pyruvate kinase deficiency
Haemoglobin
Thalassemia
Sickle Cell
Membrane
Spherocytosis
Elliptocytosis
Acquired
Non-immune
Disseminated intravascular coagulation (DIC)
Prosthetic Valves (anemia is a complication)
Infection
Hypersplenism
Immune
Autoimmune (e.g. Warm/Cold AIHA)
Alloimmune / Isoimmune (e.g. Rhesus or ABO incompability in transfusion rxn)
Drugs (e.g. NSAIDs, methotrexate, azathioprine,
Blood loss
Obvious (e.g. trauma)
Occult (e.g. bleeding from GI tract: benign ulcer or colon cancer)