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Algorithm for the evaluation of macrocytic anemia. (RBC = red blood cell; MMA = methylmalonic acid.)
Physicians
evaluation of macrocytic ... #Diagnosis #Macrocytosis ... #Macrocytic #Anemia ... VitaminB12 #Folate #FolicAcid ... #Algorithm #Workup
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
: • Worsening macrocytic ... Evaluation: • ... hypersegmented neutrophils, macrocytosis ... - Elevated MMA ... #diagnosis #management