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Anemia (↓ Production (Hormones (↓EPO -eg. chronic renal failure,…
Anemia
↓ Production
Nutrients
B12 deficiency
Drugs
-eg. PPIs, metformin
Vegan Diet
Pernicious anemia
Iron deficiency
Malabsorption
Blood loss
Diet
Hormones
↓
EPO
-eg. chronic renal failure
↓Thyroid hormone
-eg. hypothyroidism
↓Androgens
-eg. hypogonadism
Bone marrow
Bone marrow suppression
Drugs
Irradiation
Bone marrow disorders
Aplastic Anemia
Pure RBC aplasia
↑ Loss
Destruction
(
Hemolytic Anemia)
Hereditary
Metabolism defect
G6PD deficiency
Pyruvate Kinase deficiency
Hemoglobin defect
Thalassemia
Sickle cell disease
Membrane defect
Spherocytosis
Eliptocytosis
Acquired
Immune
Autoimmune
-eg. AIHA, SLE, RA, Hodgkin's lymphoma, CLL
Alloimmune
-eg. transfusion reaction, haemolytic disease of the newborn, transplant rejection
Complement-mediated
(rare)
-eg. Paroxysmal nocturnal hemoglobinuria (PNH)
Non-immune
DIC
-Microangiopathic Haemolytic anemia
Prosthetic valves
Malaria
-
Plasmodium falciparum
Bleeding