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Types of microcytic, hypochromic anemia... Iron deficiency will have a high RDW with low ferritin... Thalassemia's will have normal RDW and elevated ferritin (due to RBC turnover)... after thalassemia is suspected, electrophoresis should be done to distinguish alpha (normal) from beta (elevated HbA2 levels)


Sideroblastic anemia. Presence of anemia + ringed sideroblasts. Hypochromic, BIMODAL RBC population. +/- Pappenheimer bodies (iron). Increased iron stores in BM. All iron studies are elevated (but distinguish from hemochromocytosis because SA has low hgb and low MCV). CAUSES: ACQUIRED = RARS, meds, alcohol, Pearson syndrome and low copper. VAST MAJORITY HAVE CLONAL DEFECT. MACROCYTIC. >15% RS. INHERITED = rare, X-linked. ALAS2 gene. MICROCYTIC. Can try giving a ton of B6.


According to a new study, the ‘Cry’ toxins that Monsanto’s GMO crops have been genetically modified to produce are a lot more toxic to mammals than previously thought, primarily to the blood.