eng Science and Education Publishing American Journal of Medical Case Reports 2374-216X 2021-08-19 9 11 667 668 10.12691/ajmcr-9-11-13 AJMCR202191113 article Angel Goenawan angel.goenawan@gmail.com 1 Meshal Qaiser 1 Douglas Palacios 1 Department of Internal Medicine Griffin Hospital, USA Syncope is a common cause of hospital admissions, with a high prevalence found in people 10-30 years of age, and in those 70 years and older. The condition often requires an extensive yet unrevealing workup. Vitamin B12 deficiency, however, is rarely thought to be the primary root of recurrent syncope. We had a case of vitamin B12 deficiency without findings of anemia, which presented as a recurrent syncope in an otherwise relatively young healthy man. http://pubs.sciepub.com/ajmcr/9/11/13/ajmcr-9-11-13.pdf recurrent syncopal episode undetectable vitamin B12