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IRON DEFICIENCY |
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decreased dietary intake: |
neonate young children (during growth spurts) vegetarian and other diets deficient in red meats |
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decreased absorption: |
proximal ileal disease, eg. coeliac disease |
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abnormal iron metabolism (not really iron deficiency): |
'anaemia of chronic disease' sideroblastic anaemias lead poisoning thalassaemias haemoglobin C [crystallisation of haemoglobin] |
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chronic iron loss: |
menorrhagia gastrointestinal lesions, eg. tumour, polyp, ulcer, ulcerative colitis, diverticulitis, angiodysplasia, hookwormpulmonary haemosiderosis regular blood donation chronic haemodialysis haemosiderinuria in chronic intravascular haemolysis, eg. paroxysmal nocturnal haemoglobinuria |
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