%0 Journal Article %T Vitamin B12 Deficiency in a Patient Presenting with Dyspnea: A Case Report %A Arpith Easo Samuel %A Atasi Bhattacharjee %J Archive of "Advanced Journal of Emergency Medicine". %D 2019 %R 10.22114/AJEM.v0i0.103 %X Pancytopenia can be caused by underlying disorders such as certain autoimmune conditions, leukemia or even a few nutritional deficiencies such as vitamin B12 deficiency. Vitamin B12 deficiency most commonly presents as megaloblastic anemia but can also be associated with pancytopenia. It can present with a range of symptoms associated with anemia and gastrointestinal or neurological systems. Understanding the etiology of the deficiency is crucial for initiating proper treatments %K Anemia %K Megaloblastic %K Dyspnea %K Vitamin B 12 Deficiency %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6548118/