Association of Vitamin
B12 and Folate Deficiency with Vasovagal Syncope: A Case-Control Study
Short Title: Vitamin B12 Deficiency and Vasovagal Syncope
Arya Aminorroaya MD MPH1,2, Ali Vasheghani-Farahani
MD2,3, Hamed Tavolinejad MD2, Zahra
Aryan MD MPH4, Somayeh Yadangi MSc2,
Ali Bozorgi MD2, Saeed Sadeghian
MD2, Mohammadali Boroumand MD5,
Masud Yunesian MD PhD6, Masih Tajdini
MD2
1 Section of Cardiovascular Medicine, Department of
Internal Medicine, Yale School of Medicine, New Haven, CT2 Tehran Heart Center, Cardiovascular Diseases
Research Institute, Tehran University of Medical Sciences, Tehran, Iran3 Cardiac Primary Prevention Research Center,
Cardiovascular Diseases Research Institute, Tehran University of Medical
Sciences, Tehran, Iran4 Department of Medicine, Rutgers New Jersey Medical
School, Newark, NJ, USA5 Department of Pathology and Laboratory Medicine,
Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran6 School of Public Health, Tehran University of
Medical Sciences, Tehran, Iran