Haematology Watch

VITAMIN B12 DEFICIENCY ANAEMIA


LOW INTAKE:

      Strict vegetarian

      Poverty

NORMAL INTAKE:

     -With malabsorption:

         Stomach:

             Gastrectomy

             Atrophic gastritis

             Pernicious anaemia

             Achlorhydria

         Pancreas:

             Chronic pancreatitis

        Intestine:

             Ileal resection

             Tropical sprue

             Crohn's disease

             Diverticulitis

             Stagnant (/Blind) loop syndrome

             Neomycin

             Fish tape worm

             Mutated Cubulin and Amnionless

  -With normal absorption:

         Normal uptake of erythron in high demand-to-supply state:

              Chronic haemolysis

         Destruction of B12: 

              Anaesthetic Nitrous oxide