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Algorithm for the evaluation of macrocytic anemia. (RBC = red blood cell; MMA = methylmalonic acid.)
Physicians
Algorithm for the ... evaluation of macrocytic ... #Macrocytic #Anemia ... VitaminB12 #Folate #FolicAcid ... #Workup #AAFP
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
• Common Causes ... intrinsic factor, IF) Clinical ... : • Worsening macrocytic ... total body stores Evaluation ... hypersegmented neutrophils, macrocytosis